161888220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7721

約数の個数: 120

約数和(自身を含む): 546985824

約数和(自身を除く): 385097604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 7687, 10530, 15374, 21060, 23061, 30748, 38435, 46122, 69183, 76870, 92244, 99931, 115305, 138366, 153740, 199862, 207549, 230610, 276732, 299793, 345915, 399724, 415098, 461220, 499655, 599586, 622647, 691830, 830196, 899379, 999310, 1037745, 1199172, 1245294, 1383660, 1498965, 1798758, 1998620, 2075490, 2490588, 2698137, 2997930, 3113235, 3597516, 4150980, 4496895, 5396274, 5995860, 6226470, 8094411, 8993790, 10792548, 12452940, 13490685, 16188822, 17987580, 26981370, 32377644, 40472055, 53962740, 80944110, 161888220]

約数ペア:

[(1, 161888220), (2, 80944110), (3, 53962740), (4, 40472055), (5, 32377644), (6, 26981370), (9, 17987580), (10, 16188822), (12, 13490685), (13, 12452940), (15, 10792548), (18, 8993790), (20, 8094411), (26, 6226470), (27, 5995860), (30, 5396274), (36, 4496895), (39, 4150980), (45, 3597516), (52, 3113235), (54, 2997930), (60, 2698137), (65, 2490588), (78, 2075490), (81, 1998620), (90, 1798758), (108, 1498965), (117, 1383660), (130, 1245294), (135, 1199172), (156, 1037745), (162, 999310), (180, 899379), (195, 830196), (234, 691830), (260, 622647), (270, 599586), (324, 499655), (351, 461220), (390, 415098), (405, 399724), (468, 345915), (540, 299793), (585, 276732), (702, 230610), (780, 207549), (810, 199862), (1053, 153740), (1170, 138366), (1404, 115305), (1620, 99931), (1755, 92244), (2106, 76870), (2340, 69183), (3510, 46122), (4212, 38435), (5265, 30748), (7020, 23061), (7687, 21060), (10530, 15374)]