161780580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1546

約数の個数: 144

約数和(自身を含む): 540094464

約数和(自身を除く): 378313884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 564, 585, 611, 705, 780, 846, 940, 1170, 1222, 1410, 1471, 1692, 1833, 2115, 2340, 2444, 2820, 2942, 3055, 3666, 4230, 4413, 5499, 5884, 6110, 7332, 7355, 8460, 8826, 9165, 10998, 12220, 13239, 14710, 17652, 18330, 19123, 21996, 22065, 26478, 27495, 29420, 36660, 38246, 44130, 52956, 54990, 57369, 66195, 69137, 76492, 88260, 95615, 109980, 114738, 132390, 138274, 172107, 191230, 207411, 229476, 264780, 276548, 286845, 344214, 345685, 382460, 414822, 573690, 622233, 688428, 691370, 829644, 860535, 898781, 1037055, 1147380, 1244466, 1382740, 1721070, 1797562, 2074110, 2488932, 2696343, 3111165, 3442140, 3595124, 4148220, 4493905, 5392686, 6222330, 8089029, 8987810, 10785372, 12444660, 13481715, 16178058, 17975620, 26963430, 32356116, 40445145, 53926860, 80890290, 161780580]

約数ペア:

[(1, 161780580), (2, 80890290), (3, 53926860), (4, 40445145), (5, 32356116), (6, 26963430), (9, 17975620), (10, 16178058), (12, 13481715), (13, 12444660), (15, 10785372), (18, 8987810), (20, 8089029), (26, 6222330), (30, 5392686), (36, 4493905), (39, 4148220), (45, 3595124), (47, 3442140), (52, 3111165), (60, 2696343), (65, 2488932), (78, 2074110), (90, 1797562), (94, 1721070), (117, 1382740), (130, 1244466), (141, 1147380), (156, 1037055), (180, 898781), (188, 860535), (195, 829644), (234, 691370), (235, 688428), (260, 622233), (282, 573690), (390, 414822), (423, 382460), (468, 345685), (470, 344214), (564, 286845), (585, 276548), (611, 264780), (705, 229476), (780, 207411), (846, 191230), (940, 172107), (1170, 138274), (1222, 132390), (1410, 114738), (1471, 109980), (1692, 95615), (1833, 88260), (2115, 76492), (2340, 69137), (2444, 66195), (2820, 57369), (2942, 54990), (3055, 52956), (3666, 44130), (4230, 38246), (4413, 36660), (5499, 29420), (5884, 27495), (6110, 26478), (7332, 22065), (7355, 21996), (8460, 19123), (8826, 18330), (9165, 17652), (10998, 14710), (12220, 13239)]