51381990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 160123392

約数和(自身を除く): 108741402

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 43, 45, 51, 55, 66, 71, 85, 86, 90, 99, 102, 110, 129, 142, 153, 165, 170, 187, 198, 213, 215, 255, 258, 306, 330, 355, 374, 387, 426, 430, 473, 495, 510, 561, 639, 645, 710, 731, 765, 774, 781, 935, 946, 990, 1065, 1122, 1207, 1278, 1290, 1419, 1462, 1530, 1562, 1683, 1870, 1935, 2130, 2193, 2343, 2365, 2414, 2805, 2838, 3053, 3195, 3366, 3621, 3655, 3870, 3905, 4257, 4386, 4686, 4730, 5610, 6035, 6106, 6390, 6579, 7029, 7095, 7242, 7310, 7810, 8041, 8415, 8514, 9159, 10863, 10965, 11715, 12070, 13158, 13277, 14058, 14190, 15265, 16082, 16830, 18105, 18318, 21285, 21726, 21930, 23430, 24123, 26554, 27477, 30530, 32895, 33583, 35145, 36210, 39831, 40205, 42570, 45795, 48246, 51901, 54315, 54954, 65790, 66385, 67166, 70290, 72369, 79662, 80410, 91590, 100749, 103802, 108630, 119493, 120615, 132770, 137385, 144738, 155703, 167915, 199155, 201498, 238986, 241230, 259505, 274770, 302247, 311406, 335830, 361845, 398310, 467109, 503745, 519010, 570911, 597465, 604494, 723690, 778515, 934218, 1007490, 1141822, 1194930, 1511235, 1557030, 1712733, 2335545, 2854555, 3022470, 3425466, 4671090, 5138199, 5709110, 8563665, 10276398, 17127330, 25690995, 51381990]

約数ペア:

[(1, 51381990), (2, 25690995), (3, 17127330), (5, 10276398), (6, 8563665), (9, 5709110), (10, 5138199), (11, 4671090), (15, 3425466), (17, 3022470), (18, 2854555), (22, 2335545), (30, 1712733), (33, 1557030), (34, 1511235), (43, 1194930), (45, 1141822), (51, 1007490), (55, 934218), (66, 778515), (71, 723690), (85, 604494), (86, 597465), (90, 570911), (99, 519010), (102, 503745), (110, 467109), (129, 398310), (142, 361845), (153, 335830), (165, 311406), (170, 302247), (187, 274770), (198, 259505), (213, 241230), (215, 238986), (255, 201498), (258, 199155), (306, 167915), (330, 155703), (355, 144738), (374, 137385), (387, 132770), (426, 120615), (430, 119493), (473, 108630), (495, 103802), (510, 100749), (561, 91590), (639, 80410), (645, 79662), (710, 72369), (731, 70290), (765, 67166), (774, 66385), (781, 65790), (935, 54954), (946, 54315), (990, 51901), (1065, 48246), (1122, 45795), (1207, 42570), (1278, 40205), (1290, 39831), (1419, 36210), (1462, 35145), (1530, 33583), (1562, 32895), (1683, 30530), (1870, 27477), (1935, 26554), (2130, 24123), (2193, 23430), (2343, 21930), (2365, 21726), (2414, 21285), (2805, 18318), (2838, 18105), (3053, 16830), (3195, 16082), (3366, 15265), (3621, 14190), (3655, 14058), (3870, 13277), (3905, 13158), (4257, 12070), (4386, 11715), (4686, 10965), (4730, 10863), (5610, 9159), (6035, 8514), (6106, 8415), (6390, 8041), (6579, 7810), (7029, 7310), (7095, 7242)]