1820762580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47639}}^1$

素因数の和:47678

約数の個数: 144

約数和(自身を含む): 6386808960

約数和(自身を除く): 4566046380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 19110, 38220, 47639, 95278, 142917, 190556, 238195, 285834, 333473, 476390, 571668, 619307, 666946, 714585, 952780, 1000419, 1238614, 1333892, 1429170, 1667365, 1857921, 2000838, 2334311, 2477228, 2858340, 3096535, 3334730, 3715842, 4001676, 4335149, 4668622, 5002095, 6193070, 6669460, 7002933, 7431684, 8670298, 9289605, 9337244, 10004190, 11671555, 12386140, 13005447, 14005866, 17340596, 18579210, 20008380, 21675745, 23343110, 26010894, 28011732, 30346043, 35014665, 37158420, 43351490, 46686220, 52021788, 60692086, 65027235, 70029330, 86702980, 91038129, 121384172, 130054470, 140058660, 151730215, 182076258, 260108940, 303460430, 364152516, 455190645, 606920860, 910381290, 1820762580]

約数ペア:

[(1, 1820762580), (2, 910381290), (3, 606920860), (4, 455190645), (5, 364152516), (6, 303460430), (7, 260108940), (10, 182076258), (12, 151730215), (13, 140058660), (14, 130054470), (15, 121384172), (20, 91038129), (21, 86702980), (26, 70029330), (28, 65027235), (30, 60692086), (35, 52021788), (39, 46686220), (42, 43351490), (49, 37158420), (52, 35014665), (60, 30346043), (65, 28011732), (70, 26010894), (78, 23343110), (84, 21675745), (91, 20008380), (98, 18579210), (105, 17340596), (130, 14005866), (140, 13005447), (147, 12386140), (156, 11671555), (182, 10004190), (195, 9337244), (196, 9289605), (210, 8670298), (245, 7431684), (260, 7002933), (273, 6669460), (294, 6193070), (364, 5002095), (390, 4668622), (420, 4335149), (455, 4001676), (490, 3715842), (546, 3334730), (588, 3096535), (637, 2858340), (735, 2477228), (780, 2334311), (910, 2000838), (980, 1857921), (1092, 1667365), (1274, 1429170), (1365, 1333892), (1470, 1238614), (1820, 1000419), (1911, 952780), (2548, 714585), (2730, 666946), (2940, 619307), (3185, 571668), (3822, 476390), (5460, 333473), (6370, 285834), (7644, 238195), (9555, 190556), (12740, 142917), (19110, 95278), (38220, 47639)]