1661550540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163861}}^1$

素因数の和:163899

約数の個数: 72

約数和(自身を含む): 5037773328

約数和(自身を除く): 3376222788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 163861, 327722, 491583, 655444, 819305, 983166, 1638610, 1966332, 2130193, 2457915, 3277220, 4260386, 4915830, 6390579, 8520772, 9831660, 10650965, 12781158, 21301930, 25562316, 27692509, 31952895, 42603860, 55385018, 63905790, 83077527, 110770036, 127811580, 138462545, 166155054, 276925090, 332310108, 415387635, 553850180, 830775270, 1661550540]

約数ペア:

[(1, 1661550540), (2, 830775270), (3, 553850180), (4, 415387635), (5, 332310108), (6, 276925090), (10, 166155054), (12, 138462545), (13, 127811580), (15, 110770036), (20, 83077527), (26, 63905790), (30, 55385018), (39, 42603860), (52, 31952895), (60, 27692509), (65, 25562316), (78, 21301930), (130, 12781158), (156, 10650965), (169, 9831660), (195, 8520772), (260, 6390579), (338, 4915830), (390, 4260386), (507, 3277220), (676, 2457915), (780, 2130193), (845, 1966332), (1014, 1638610), (1690, 983166), (2028, 819305), (2535, 655444), (3380, 491583), (5070, 327722), (10140, 163861)]