1813303980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13781}}^1$

素因数の和:13856

約数の個数: 144

約数和(自身を含む): 5959777824

約数和(自身を除く): 4146473844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1935, 2193, 2580, 2924, 3060, 3655, 3870, 4386, 6579, 7310, 7740, 8772, 10965, 13158, 13781, 14620, 21930, 26316, 27562, 32895, 41343, 43860, 55124, 65790, 68905, 82686, 124029, 131580, 137810, 165372, 206715, 234277, 248058, 275620, 413430, 468554, 496116, 592583, 620145, 702831, 826860, 937108, 1171385, 1185166, 1240290, 1405662, 1777749, 2108493, 2342770, 2370332, 2480580, 2811324, 2962915, 3514155, 3555498, 4216986, 4685540, 5333247, 5925830, 7028310, 7110996, 8433972, 8888745, 10073911, 10542465, 10666494, 11851660, 14056620, 17777490, 20147822, 21084930, 21332988, 26666235, 30221733, 35554980, 40295644, 42169860, 50369555, 53332470, 60443466, 90665199, 100739110, 106664940, 120886932, 151108665, 181330398, 201478220, 302217330, 362660796, 453325995, 604434660, 906651990, 1813303980]

約数ペア:

[(1, 1813303980), (2, 906651990), (3, 604434660), (4, 453325995), (5, 362660796), (6, 302217330), (9, 201478220), (10, 181330398), (12, 151108665), (15, 120886932), (17, 106664940), (18, 100739110), (20, 90665199), (30, 60443466), (34, 53332470), (36, 50369555), (43, 42169860), (45, 40295644), (51, 35554980), (60, 30221733), (68, 26666235), (85, 21332988), (86, 21084930), (90, 20147822), (102, 17777490), (129, 14056620), (153, 11851660), (170, 10666494), (172, 10542465), (180, 10073911), (204, 8888745), (215, 8433972), (255, 7110996), (258, 7028310), (306, 5925830), (340, 5333247), (387, 4685540), (430, 4216986), (510, 3555498), (516, 3514155), (612, 2962915), (645, 2811324), (731, 2480580), (765, 2370332), (774, 2342770), (860, 2108493), (1020, 1777749), (1290, 1405662), (1462, 1240290), (1530, 1185166), (1548, 1171385), (1935, 937108), (2193, 826860), (2580, 702831), (2924, 620145), (3060, 592583), (3655, 496116), (3870, 468554), (4386, 413430), (6579, 275620), (7310, 248058), (7740, 234277), (8772, 206715), (10965, 165372), (13158, 137810), (13781, 131580), (14620, 124029), (21930, 82686), (26316, 68905), (27562, 65790), (32895, 55124), (41343, 43860)]