1897306020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4906

約数の個数: 144

約数和(自身を含む): 6025743360

約数和(自身を除く): 4128437340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 355, 372, 426, 465, 558, 620, 639, 710, 852, 930, 1065, 1116, 1278, 1395, 1420, 1860, 2130, 2201, 2556, 2790, 3195, 4260, 4402, 4789, 5580, 6390, 6603, 8804, 9578, 11005, 12780, 13206, 14367, 19156, 19809, 22010, 23945, 26412, 28734, 33015, 39618, 43101, 44020, 47890, 57468, 66030, 71835, 79236, 86202, 95780, 99045, 132060, 143670, 148459, 172404, 198090, 215505, 287340, 296918, 340019, 396180, 431010, 445377, 593836, 680038, 742295, 862020, 890754, 1020057, 1336131, 1360076, 1484590, 1700095, 1781508, 2040114, 2226885, 2672262, 2969180, 3060171, 3400190, 4080228, 4453770, 5100285, 5344524, 6120342, 6680655, 6800380, 8907540, 10200570, 10540589, 12240684, 13361310, 15300855, 20401140, 21081178, 26722620, 30601710, 31621767, 42162356, 52702945, 61203420, 63243534, 94865301, 105405890, 126487068, 158108835, 189730602, 210811780, 316217670, 379461204, 474326505, 632435340, 948653010, 1897306020]

約数ペア:

[(1, 1897306020), (2, 948653010), (3, 632435340), (4, 474326505), (5, 379461204), (6, 316217670), (9, 210811780), (10, 189730602), (12, 158108835), (15, 126487068), (18, 105405890), (20, 94865301), (30, 63243534), (31, 61203420), (36, 52702945), (45, 42162356), (60, 31621767), (62, 30601710), (71, 26722620), (90, 21081178), (93, 20401140), (124, 15300855), (142, 13361310), (155, 12240684), (180, 10540589), (186, 10200570), (213, 8907540), (279, 6800380), (284, 6680655), (310, 6120342), (355, 5344524), (372, 5100285), (426, 4453770), (465, 4080228), (558, 3400190), (620, 3060171), (639, 2969180), (710, 2672262), (852, 2226885), (930, 2040114), (1065, 1781508), (1116, 1700095), (1278, 1484590), (1395, 1360076), (1420, 1336131), (1860, 1020057), (2130, 890754), (2201, 862020), (2556, 742295), (2790, 680038), (3195, 593836), (4260, 445377), (4402, 431010), (4789, 396180), (5580, 340019), (6390, 296918), (6603, 287340), (8804, 215505), (9578, 198090), (11005, 172404), (12780, 148459), (13206, 143670), (14367, 132060), (19156, 99045), (19809, 95780), (22010, 86202), (23945, 79236), (26412, 71835), (28734, 66030), (33015, 57468), (39618, 47890), (43101, 44020)]