18969723780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{1777}}^1\times {\mathrm{3631}}^1$

素因数の和:5434

約数の個数: 144

約数和(自身を含む): 61838896896

約数和(自身を除く): 42869173116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 1777, 2940, 3554, 3631, 5331, 7108, 7262, 8885, 10662, 10893, 12439, 14524, 17770, 18155, 21324, 21786, 24878, 25417, 26655, 35540, 36310, 37317, 43572, 49756, 50834, 53310, 54465, 62195, 72620, 74634, 76251, 87073, 101668, 106620, 108930, 124390, 127085, 149268, 152502, 174146, 177919, 186585, 217860, 248780, 254170, 261219, 305004, 348292, 355838, 373170, 381255, 435365, 508340, 522438, 533757, 711676, 746340, 762510, 870730, 889595, 1044876, 1067514, 1306095, 1525020, 1741460, 1779190, 2135028, 2612190, 2668785, 3558380, 5224380, 5337570, 6452287, 10675140, 12904574, 19356861, 25809148, 32261435, 38713722, 45166009, 64522870, 77427444, 90332018, 96784305, 129045740, 135498027, 180664036, 193568610, 225830045, 270996054, 316162063, 387137220, 451660090, 541992108, 632324126, 677490135, 903320180, 948486189, 1264648252, 1354980270, 1580810315, 1896972378, 2709960540, 3161620630, 3793944756, 4742430945, 6323241260, 9484861890, 18969723780]

約数ペア:

[(1, 18969723780), (2, 9484861890), (3, 6323241260), (4, 4742430945), (5, 3793944756), (6, 3161620630), (7, 2709960540), (10, 1896972378), (12, 1580810315), (14, 1354980270), (15, 1264648252), (20, 948486189), (21, 903320180), (28, 677490135), (30, 632324126), (35, 541992108), (42, 451660090), (49, 387137220), (60, 316162063), (70, 270996054), (84, 225830045), (98, 193568610), (105, 180664036), (140, 135498027), (147, 129045740), (196, 96784305), (210, 90332018), (245, 77427444), (294, 64522870), (420, 45166009), (490, 38713722), (588, 32261435), (735, 25809148), (980, 19356861), (1470, 12904574), (1777, 10675140), (2940, 6452287), (3554, 5337570), (3631, 5224380), (5331, 3558380), (7108, 2668785), (7262, 2612190), (8885, 2135028), (10662, 1779190), (10893, 1741460), (12439, 1525020), (14524, 1306095), (17770, 1067514), (18155, 1044876), (21324, 889595), (21786, 870730), (24878, 762510), (25417, 746340), (26655, 711676), (35540, 533757), (36310, 522438), (37317, 508340), (43572, 435365), (49756, 381255), (50834, 373170), (53310, 355838), (54465, 348292), (62195, 305004), (72620, 261219), (74634, 254170), (76251, 248780), (87073, 217860), (101668, 186585), (106620, 177919), (108930, 174146), (124390, 152502), (127085, 149268)]