1660987780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 3714036480

約数和(自身を除く): 2053048700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 157, 211, 218, 230, 314, 422, 436, 460, 545, 628, 785, 844, 1055, 1090, 1570, 2110, 2180, 2507, 3140, 3611, 4220, 4853, 5014, 7222, 9706, 10028, 12535, 14444, 17113, 18055, 19412, 22999, 24265, 25070, 33127, 34226, 36110, 45998, 48530, 50140, 66254, 68452, 72220, 85565, 91996, 97060, 114995, 132508, 165635, 171130, 229990, 331270, 342260, 393599, 459980, 528977, 662540, 761921, 787198, 1057954, 1523842, 1574396, 1967995, 2115908, 2644885, 3047684, 3610843, 3809605, 3935990, 5289770, 7221686, 7619210, 7871980, 10579540, 14443372, 15238420, 18054215, 36108430, 72216860, 83049389, 166098778, 332197556, 415246945, 830493890, 1660987780]

約数ペア:

[(1, 1660987780), (2, 830493890), (4, 415246945), (5, 332197556), (10, 166098778), (20, 83049389), (23, 72216860), (46, 36108430), (92, 18054215), (109, 15238420), (115, 14443372), (157, 10579540), (211, 7871980), (218, 7619210), (230, 7221686), (314, 5289770), (422, 3935990), (436, 3809605), (460, 3610843), (545, 3047684), (628, 2644885), (785, 2115908), (844, 1967995), (1055, 1574396), (1090, 1523842), (1570, 1057954), (2110, 787198), (2180, 761921), (2507, 662540), (3140, 528977), (3611, 459980), (4220, 393599), (4853, 342260), (5014, 331270), (7222, 229990), (9706, 171130), (10028, 165635), (12535, 132508), (14444, 114995), (17113, 97060), (18055, 91996), (19412, 85565), (22999, 72220), (24265, 68452), (25070, 66254), (33127, 50140), (34226, 48530), (36110, 45998)]