1981350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 6615648

約数和(自身を除く): 4634298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 37, 42, 45, 50, 51, 63, 70, 74, 75, 85, 90, 102, 105, 111, 119, 126, 150, 153, 170, 175, 185, 210, 222, 225, 238, 255, 259, 306, 315, 333, 350, 357, 370, 425, 450, 510, 518, 525, 555, 595, 629, 630, 666, 714, 765, 777, 850, 925, 1050, 1071, 1110, 1190, 1258, 1275, 1295, 1530, 1554, 1575, 1665, 1785, 1850, 1887, 2142, 2331, 2550, 2590, 2775, 2975, 3145, 3150, 3330, 3570, 3774, 3825, 3885, 4403, 4662, 5355, 5550, 5661, 5950, 6290, 6475, 7650, 7770, 8325, 8806, 8925, 9435, 10710, 11322, 11655, 12950, 13209, 15725, 16650, 17850, 18870, 19425, 22015, 23310, 26418, 26775, 28305, 31450, 38850, 39627, 44030, 47175, 53550, 56610, 58275, 66045, 79254, 94350, 110075, 116550, 132090, 141525, 198135, 220150, 283050, 330225, 396270, 660450, 990675, 1981350]

約数ペア:

[(1, 1981350), (2, 990675), (3, 660450), (5, 396270), (6, 330225), (7, 283050), (9, 220150), (10, 198135), (14, 141525), (15, 132090), (17, 116550), (18, 110075), (21, 94350), (25, 79254), (30, 66045), (34, 58275), (35, 56610), (37, 53550), (42, 47175), (45, 44030), (50, 39627), (51, 38850), (63, 31450), (70, 28305), (74, 26775), (75, 26418), (85, 23310), (90, 22015), (102, 19425), (105, 18870), (111, 17850), (119, 16650), (126, 15725), (150, 13209), (153, 12950), (170, 11655), (175, 11322), (185, 10710), (210, 9435), (222, 8925), (225, 8806), (238, 8325), (255, 7770), (259, 7650), (306, 6475), (315, 6290), (333, 5950), (350, 5661), (357, 5550), (370, 5355), (425, 4662), (450, 4403), (510, 3885), (518, 3825), (525, 3774), (555, 3570), (595, 3330), (629, 3150), (630, 3145), (666, 2975), (714, 2775), (765, 2590), (777, 2550), (850, 2331), (925, 2142), (1050, 1887), (1071, 1850), (1110, 1785), (1190, 1665), (1258, 1575), (1275, 1554), (1295, 1530)]