161540820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 594397440

約数和(自身を除く): 432856620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 53, 59, 60, 63, 70, 82, 84, 90, 105, 106, 118, 123, 126, 140, 159, 164, 177, 180, 205, 210, 212, 236, 246, 252, 265, 287, 295, 315, 318, 354, 369, 371, 410, 413, 420, 477, 492, 530, 531, 574, 590, 615, 630, 636, 708, 738, 742, 795, 820, 826, 861, 885, 954, 1060, 1062, 1113, 1148, 1180, 1230, 1239, 1260, 1435, 1476, 1484, 1590, 1652, 1722, 1770, 1845, 1855, 1908, 2065, 2124, 2173, 2226, 2385, 2419, 2460, 2478, 2583, 2655, 2870, 3127, 3180, 3339, 3444, 3540, 3690, 3710, 3717, 4130, 4305, 4346, 4452, 4770, 4838, 4956, 5166, 5310, 5565, 5740, 6195, 6254, 6519, 6678, 7257, 7380, 7420, 7434, 8260, 8610, 8692, 9381, 9540, 9676, 10332, 10620, 10865, 11130, 12095, 12390, 12508, 12915, 13038, 13356, 14514, 14868, 15211, 15635, 16695, 16933, 17220, 18585, 18762, 19557, 21730, 21771, 21889, 22260, 24190, 24780, 25830, 26076, 28143, 29028, 30422, 31270, 32595, 33390, 33866, 36285, 37170, 37524, 39114, 43460, 43542, 43778, 45633, 46905, 48380, 50799, 51660, 56286, 60844, 62540, 65190, 65667, 66780, 67732, 72570, 74340, 76055, 78228, 84665, 87084, 87556, 91266, 93810, 97785, 101598, 108855, 109445, 112572, 128207, 130380, 131334, 136899, 140715, 145140, 152110, 152397, 169330, 182532, 187620, 195570, 197001, 203196, 217710, 218890, 228165, 253995, 256414, 262668, 273798, 281430, 304220, 304794, 328335, 338660, 384621, 391140, 394002, 435420, 437780, 456330, 507990, 512828, 547596, 562860, 609588, 641035, 656670, 684495, 761985, 769242, 788004, 897449, 912660, 985005, 1015980, 1153863, 1282070, 1313340, 1368990, 1523970, 1538484, 1794898, 1923105, 1970010, 2307726, 2564140, 2692347, 2737980, 3047940, 3589796, 3846210, 3940020, 4487245, 4615452, 5384694, 5769315, 7692420, 8077041, 8974490, 10769388, 11538630, 13461735, 16154082, 17948980, 23077260, 26923470, 32308164, 40385205, 53846940, 80770410, 161540820]

約数ペア:

[(1, 161540820), (2, 80770410), (3, 53846940), (4, 40385205), (5, 32308164), (6, 26923470), (7, 23077260), (9, 17948980), (10, 16154082), (12, 13461735), (14, 11538630), (15, 10769388), (18, 8974490), (20, 8077041), (21, 7692420), (28, 5769315), (30, 5384694), (35, 4615452), (36, 4487245), (41, 3940020), (42, 3846210), (45, 3589796), (53, 3047940), (59, 2737980), (60, 2692347), (63, 2564140), (70, 2307726), (82, 1970010), (84, 1923105), (90, 1794898), (105, 1538484), (106, 1523970), (118, 1368990), (123, 1313340), (126, 1282070), (140, 1153863), (159, 1015980), (164, 985005), (177, 912660), (180, 897449), (205, 788004), (210, 769242), (212, 761985), (236, 684495), (246, 656670), (252, 641035), (265, 609588), (287, 562860), (295, 547596), (315, 512828), (318, 507990), (354, 456330), (369, 437780), (371, 435420), (410, 394002), (413, 391140), (420, 384621), (477, 338660), (492, 328335), (530, 304794), (531, 304220), (574, 281430), (590, 273798), (615, 262668), (630, 256414), (636, 253995), (708, 228165), (738, 218890), (742, 217710), (795, 203196), (820, 197001), (826, 195570), (861, 187620), (885, 182532), (954, 169330), (1060, 152397), (1062, 152110), (1113, 145140), (1148, 140715), (1180, 136899), (1230, 131334), (1239, 130380), (1260, 128207), (1435, 112572), (1476, 109445), (1484, 108855), (1590, 101598), (1652, 97785), (1722, 93810), (1770, 91266), (1845, 87556), (1855, 87084), (1908, 84665), (2065, 78228), (2124, 76055), (2173, 74340), (2226, 72570), (2385, 67732), (2419, 66780), (2460, 65667), (2478, 65190), (2583, 62540), (2655, 60844), (2870, 56286), (3127, 51660), (3180, 50799), (3339, 48380), (3444, 46905), (3540, 45633), (3690, 43778), (3710, 43542), (3717, 43460), (4130, 39114), (4305, 37524), (4346, 37170), (4452, 36285), (4770, 33866), (4838, 33390), (4956, 32595), (5166, 31270), (5310, 30422), (5565, 29028), (5740, 28143), (6195, 26076), (6254, 25830), (6519, 24780), (6678, 24190), (7257, 22260), (7380, 21889), (7420, 21771), (7434, 21730), (8260, 19557), (8610, 18762), (8692, 18585), (9381, 17220), (9540, 16933), (9676, 16695), (10332, 15635), (10620, 15211), (10865, 14868), (11130, 14514), (12095, 13356), (12390, 13038), (12508, 12915)]