161699720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1495

約数の個数: 128

約数和(自身を含む): 462551040

約数和(自身を除く): 300851320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1433, 1612, 1736, 1820, 2015, 2170, 2821, 2866, 3224, 3640, 4030, 4340, 5642, 5732, 7165, 8060, 8680, 10031, 11284, 11464, 14105, 14330, 16120, 18629, 20062, 22568, 28210, 28660, 37258, 40124, 44423, 50155, 56420, 57320, 74516, 80248, 88846, 93145, 100310, 112840, 130403, 149032, 177692, 186290, 200620, 222115, 260806, 310961, 355384, 372580, 401240, 444230, 521612, 577499, 621922, 652015, 745160, 888460, 1043224, 1154998, 1243844, 1304030, 1554805, 1776920, 2309996, 2487688, 2608060, 2887495, 3109610, 4042493, 4619992, 5216120, 5774990, 6219220, 8084986, 11549980, 12438440, 16169972, 20212465, 23099960, 32339944, 40424930, 80849860, 161699720]

約数ペア:

[(1, 161699720), (2, 80849860), (4, 40424930), (5, 32339944), (7, 23099960), (8, 20212465), (10, 16169972), (13, 12438440), (14, 11549980), (20, 8084986), (26, 6219220), (28, 5774990), (31, 5216120), (35, 4619992), (40, 4042493), (52, 3109610), (56, 2887495), (62, 2608060), (65, 2487688), (70, 2309996), (91, 1776920), (104, 1554805), (124, 1304030), (130, 1243844), (140, 1154998), (155, 1043224), (182, 888460), (217, 745160), (248, 652015), (260, 621922), (280, 577499), (310, 521612), (364, 444230), (403, 401240), (434, 372580), (455, 355384), (520, 310961), (620, 260806), (728, 222115), (806, 200620), (868, 186290), (910, 177692), (1085, 149032), (1240, 130403), (1433, 112840), (1612, 100310), (1736, 93145), (1820, 88846), (2015, 80248), (2170, 74516), (2821, 57320), (2866, 56420), (3224, 50155), (3640, 44423), (4030, 40124), (4340, 37258), (5642, 28660), (5732, 28210), (7165, 22568), (8060, 20062), (8680, 18629), (10031, 16120), (11284, 14330), (11464, 14105)]