28484820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 288

約数和(自身を含む): 111541248

約数和(自身を除く): 83056428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 47, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 94, 105, 111, 117, 126, 130, 140, 141, 148, 156, 180, 182, 185, 188, 195, 210, 222, 234, 235, 252, 259, 260, 273, 282, 315, 329, 333, 364, 370, 390, 420, 423, 444, 455, 468, 470, 481, 518, 546, 555, 564, 585, 611, 630, 658, 666, 705, 740, 777, 780, 819, 846, 910, 940, 962, 987, 1036, 1092, 1110, 1170, 1222, 1260, 1295, 1316, 1332, 1365, 1410, 1443, 1554, 1638, 1645, 1665, 1692, 1739, 1820, 1833, 1924, 1974, 2115, 2220, 2331, 2340, 2405, 2444, 2590, 2730, 2820, 2886, 2961, 3055, 3108, 3276, 3290, 3330, 3367, 3478, 3666, 3885, 3948, 4095, 4230, 4277, 4329, 4662, 4810, 4935, 5180, 5217, 5460, 5499, 5772, 5922, 6110, 6580, 6660, 6734, 6956, 7215, 7332, 7770, 8190, 8460, 8554, 8658, 8695, 9165, 9324, 9620, 9870, 10101, 10434, 10998, 11655, 11844, 12173, 12220, 12831, 13468, 14430, 14805, 15540, 15651, 16380, 16835, 17108, 17316, 17390, 18330, 19740, 20202, 20868, 21385, 21645, 21996, 22607, 23310, 24346, 25662, 26085, 27495, 28860, 29610, 30303, 31302, 33670, 34780, 36519, 36660, 38493, 40404, 42770, 43290, 45214, 46620, 48692, 50505, 51324, 52170, 54990, 59220, 60606, 60865, 62604, 64155, 67340, 67821, 73038, 76986, 78255, 85540, 86580, 90428, 101010, 104340, 109557, 109980, 113035, 121212, 121730, 128310, 135642, 146076, 151515, 153972, 156510, 158249, 182595, 192465, 202020, 203463, 219114, 226070, 243460, 256620, 271284, 303030, 313020, 316498, 339105, 365190, 384930, 406926, 438228, 452140, 474747, 547785, 606060, 632996, 678210, 730380, 769860, 791245, 813852, 949494, 1017315, 1095570, 1356420, 1424241, 1582490, 1898988, 2034630, 2191140, 2373735, 2848482, 3164980, 4069260, 4747470, 5696964, 7121205, 9494940, 14242410, 28484820]

約数ペア:

[(1, 28484820), (2, 14242410), (3, 9494940), (4, 7121205), (5, 5696964), (6, 4747470), (7, 4069260), (9, 3164980), (10, 2848482), (12, 2373735), (13, 2191140), (14, 2034630), (15, 1898988), (18, 1582490), (20, 1424241), (21, 1356420), (26, 1095570), (28, 1017315), (30, 949494), (35, 813852), (36, 791245), (37, 769860), (39, 730380), (42, 678210), (45, 632996), (47, 606060), (52, 547785), (60, 474747), (63, 452140), (65, 438228), (70, 406926), (74, 384930), (78, 365190), (84, 339105), (90, 316498), (91, 313020), (94, 303030), (105, 271284), (111, 256620), (117, 243460), (126, 226070), (130, 219114), (140, 203463), (141, 202020), (148, 192465), (156, 182595), (180, 158249), (182, 156510), (185, 153972), (188, 151515), (195, 146076), (210, 135642), (222, 128310), (234, 121730), (235, 121212), (252, 113035), (259, 109980), (260, 109557), (273, 104340), (282, 101010), (315, 90428), (329, 86580), (333, 85540), (364, 78255), (370, 76986), (390, 73038), (420, 67821), (423, 67340), (444, 64155), (455, 62604), (468, 60865), (470, 60606), (481, 59220), (518, 54990), (546, 52170), (555, 51324), (564, 50505), (585, 48692), (611, 46620), (630, 45214), (658, 43290), (666, 42770), (705, 40404), (740, 38493), (777, 36660), (780, 36519), (819, 34780), (846, 33670), (910, 31302), (940, 30303), (962, 29610), (987, 28860), (1036, 27495), (1092, 26085), (1110, 25662), (1170, 24346), (1222, 23310), (1260, 22607), (1295, 21996), (1316, 21645), (1332, 21385), (1365, 20868), (1410, 20202), (1443, 19740), (1554, 18330), (1638, 17390), (1645, 17316), (1665, 17108), (1692, 16835), (1739, 16380), (1820, 15651), (1833, 15540), (1924, 14805), (1974, 14430), (2115, 13468), (2220, 12831), (2331, 12220), (2340, 12173), (2405, 11844), (2444, 11655), (2590, 10998), (2730, 10434), (2820, 10101), (2886, 9870), (2961, 9620), (3055, 9324), (3108, 9165), (3276, 8695), (3290, 8658), (3330, 8554), (3367, 8460), (3478, 8190), (3666, 7770), (3885, 7332), (3948, 7215), (4095, 6956), (4230, 6734), (4277, 6660), (4329, 6580), (4662, 6110), (4810, 5922), (4935, 5772), (5180, 5499), (5217, 5460)]