18531528540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{43}}^2\times {\mathrm{487}}^1$

素因数の和:606

約数の個数: 288

約数和(自身を含む): 62078284800

約数和(自身を除く): 43546756260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 343, 420, 430, 487, 490, 516, 588, 602, 645, 686, 735, 860, 903, 974, 980, 1029, 1204, 1290, 1372, 1461, 1470, 1505, 1715, 1806, 1849, 1948, 2058, 2107, 2435, 2580, 2922, 2940, 3010, 3409, 3430, 3612, 3698, 4116, 4214, 4515, 4870, 5145, 5547, 5844, 6020, 6321, 6818, 6860, 7305, 7396, 8428, 9030, 9245, 9740, 10227, 10290, 10535, 11094, 12642, 12943, 13636, 14610, 14749, 17045, 18060, 18490, 20454, 20580, 20941, 21070, 22188, 23863, 25284, 25886, 27735, 29220, 29498, 31605, 34090, 36980, 38829, 40908, 41882, 42140, 44247, 47726, 51135, 51772, 55470, 58996, 62823, 63210, 64715, 68180, 71589, 73745, 77658, 83764, 88494, 90601, 95452, 102270, 104705, 110940, 119315, 125646, 126420, 129430, 143178, 146587, 147490, 155316, 167041, 176988, 181202, 194145, 204540, 209410, 221235, 238630, 251292, 258860, 271803, 286356, 293174, 294980, 314115, 334082, 357945, 362404, 388290, 418820, 439761, 442470, 453005, 477260, 501123, 543606, 586348, 628230, 634207, 668164, 715890, 732935, 776580, 835205, 879522, 884940, 900463, 906010, 1002246, 1026109, 1087212, 1256460, 1268414, 1359015, 1431780, 1465870, 1670410, 1759044, 1800926, 1812020, 1902621, 2004492, 2052218, 2198805, 2505615, 2536828, 2701389, 2718030, 2931740, 3078327, 3171035, 3340820, 3601852, 3805242, 4104436, 4397610, 4502315, 5011230, 5130545, 5402778, 5436060, 6156654, 6303241, 6342070, 7182763, 7610484, 8795220, 9004630, 9513105, 10022460, 10261090, 10805556, 12313308, 12606482, 12684140, 13506945, 14365526, 15391635, 18009260, 18909723, 19026210, 20522180, 21548289, 25212964, 27013890, 28731052, 30783270, 31516205, 35913815, 37819446, 38052420, 43096578, 44122687, 54027780, 61566540, 63032410, 71827630, 75638892, 86193156, 88245374, 94548615, 107741445, 126064820, 132368061, 143655260, 176490748, 189097230, 215482890, 220613435, 264736122, 308858809, 378194460, 430965780, 441226870, 529472244, 617717618, 661840305, 882453740, 926576427, 1235435236, 1323680610, 1544294045, 1853152854, 2647361220, 3088588090, 3706305708, 4632882135, 6177176180, 9265764270, 18531528540]

約数ペア:

[(1, 18531528540), (2, 9265764270), (3, 6177176180), (4, 4632882135), (5, 3706305708), (6, 3088588090), (7, 2647361220), (10, 1853152854), (12, 1544294045), (14, 1323680610), (15, 1235435236), (20, 926576427), (21, 882453740), (28, 661840305), (30, 617717618), (35, 529472244), (42, 441226870), (43, 430965780), (49, 378194460), (60, 308858809), (70, 264736122), (84, 220613435), (86, 215482890), (98, 189097230), (105, 176490748), (129, 143655260), (140, 132368061), (147, 126064820), (172, 107741445), (196, 94548615), (210, 88245374), (215, 86193156), (245, 75638892), (258, 71827630), (294, 63032410), (301, 61566540), (343, 54027780), (420, 44122687), (430, 43096578), (487, 38052420), (490, 37819446), (516, 35913815), (588, 31516205), (602, 30783270), (645, 28731052), (686, 27013890), (735, 25212964), (860, 21548289), (903, 20522180), (974, 19026210), (980, 18909723), (1029, 18009260), (1204, 15391635), (1290, 14365526), (1372, 13506945), (1461, 12684140), (1470, 12606482), (1505, 12313308), (1715, 10805556), (1806, 10261090), (1849, 10022460), (1948, 9513105), (2058, 9004630), (2107, 8795220), (2435, 7610484), (2580, 7182763), (2922, 6342070), (2940, 6303241), (3010, 6156654), (3409, 5436060), (3430, 5402778), (3612, 5130545), (3698, 5011230), (4116, 4502315), (4214, 4397610), (4515, 4104436), (4870, 3805242), (5145, 3601852), (5547, 3340820), (5844, 3171035), (6020, 3078327), (6321, 2931740), (6818, 2718030), (6860, 2701389), (7305, 2536828), (7396, 2505615), (8428, 2198805), (9030, 2052218), (9245, 2004492), (9740, 1902621), (10227, 1812020), (10290, 1800926), (10535, 1759044), (11094, 1670410), (12642, 1465870), (12943, 1431780), (13636, 1359015), (14610, 1268414), (14749, 1256460), (17045, 1087212), (18060, 1026109), (18490, 1002246), (20454, 906010), (20580, 900463), (20941, 884940), (21070, 879522), (22188, 835205), (23863, 776580), (25284, 732935), (25886, 715890), (27735, 668164), (29220, 634207), (29498, 628230), (31605, 586348), (34090, 543606), (36980, 501123), (38829, 477260), (40908, 453005), (41882, 442470), (42140, 439761), (44247, 418820), (47726, 388290), (51135, 362404), (51772, 357945), (55470, 334082), (58996, 314115), (62823, 294980), (63210, 293174), (64715, 286356), (68180, 271803), (71589, 258860), (73745, 251292), (77658, 238630), (83764, 221235), (88494, 209410), (90601, 204540), (95452, 194145), (102270, 181202), (104705, 176988), (110940, 167041), (119315, 155316), (125646, 147490), (126420, 146587), (129430, 143178)]