208767780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 737662464

約数和(自身を除く): 528894684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 156, 162, 180, 195, 207, 230, 234, 260, 270, 276, 299, 324, 345, 351, 390, 405, 414, 431, 460, 468, 540, 585, 598, 621, 690, 702, 780, 810, 828, 862, 897, 1035, 1053, 1170, 1196, 1242, 1293, 1380, 1404, 1495, 1620, 1724, 1755, 1794, 1863, 2070, 2106, 2155, 2340, 2484, 2586, 2691, 2990, 3105, 3510, 3588, 3726, 3879, 4140, 4212, 4310, 4485, 5172, 5265, 5382, 5603, 5980, 6210, 6465, 7020, 7452, 7758, 8073, 8620, 8970, 9315, 9913, 10530, 10764, 11206, 11637, 12420, 12930, 13455, 15516, 16146, 16809, 17940, 18630, 19395, 19826, 21060, 22412, 23274, 24219, 25860, 26910, 28015, 29739, 32292, 33618, 34911, 37260, 38790, 39652, 40365, 46548, 48438, 49565, 50427, 53820, 56030, 58185, 59478, 67236, 69822, 77580, 80730, 84045, 89217, 96876, 99130, 100854, 112060, 116370, 118956, 121095, 128869, 139644, 148695, 151281, 161460, 168090, 174555, 178434, 198260, 201708, 232740, 242190, 252135, 257738, 267651, 297390, 302562, 336180, 349110, 356868, 386607, 446085, 453843, 484380, 504270, 515476, 535302, 594780, 605124, 644345, 698220, 756405, 773214, 802953, 892170, 907686, 1008540, 1070604, 1159821, 1288690, 1338255, 1512810, 1546428, 1605906, 1784340, 1815372, 1933035, 2269215, 2319642, 2577380, 2676510, 3025620, 3211812, 3479463, 3866070, 4014765, 4538430, 4639284, 5353020, 5799105, 6958926, 7732140, 8029530, 9076860, 10438389, 11598210, 13917852, 16059060, 17397315, 20876778, 23196420, 34794630, 41753556, 52191945, 69589260, 104383890, 208767780]

約数ペア:

[(1, 208767780), (2, 104383890), (3, 69589260), (4, 52191945), (5, 41753556), (6, 34794630), (9, 23196420), (10, 20876778), (12, 17397315), (13, 16059060), (15, 13917852), (18, 11598210), (20, 10438389), (23, 9076860), (26, 8029530), (27, 7732140), (30, 6958926), (36, 5799105), (39, 5353020), (45, 4639284), (46, 4538430), (52, 4014765), (54, 3866070), (60, 3479463), (65, 3211812), (69, 3025620), (78, 2676510), (81, 2577380), (90, 2319642), (92, 2269215), (108, 1933035), (115, 1815372), (117, 1784340), (130, 1605906), (135, 1546428), (138, 1512810), (156, 1338255), (162, 1288690), (180, 1159821), (195, 1070604), (207, 1008540), (230, 907686), (234, 892170), (260, 802953), (270, 773214), (276, 756405), (299, 698220), (324, 644345), (345, 605124), (351, 594780), (390, 535302), (405, 515476), (414, 504270), (431, 484380), (460, 453843), (468, 446085), (540, 386607), (585, 356868), (598, 349110), (621, 336180), (690, 302562), (702, 297390), (780, 267651), (810, 257738), (828, 252135), (862, 242190), (897, 232740), (1035, 201708), (1053, 198260), (1170, 178434), (1196, 174555), (1242, 168090), (1293, 161460), (1380, 151281), (1404, 148695), (1495, 139644), (1620, 128869), (1724, 121095), (1755, 118956), (1794, 116370), (1863, 112060), (2070, 100854), (2106, 99130), (2155, 96876), (2340, 89217), (2484, 84045), (2586, 80730), (2691, 77580), (2990, 69822), (3105, 67236), (3510, 59478), (3588, 58185), (3726, 56030), (3879, 53820), (4140, 50427), (4212, 49565), (4310, 48438), (4485, 46548), (5172, 40365), (5265, 39652), (5382, 38790), (5603, 37260), (5980, 34911), (6210, 33618), (6465, 32292), (7020, 29739), (7452, 28015), (7758, 26910), (8073, 25860), (8620, 24219), (8970, 23274), (9315, 22412), (9913, 21060), (10530, 19826), (10764, 19395), (11206, 18630), (11637, 17940), (12420, 16809), (12930, 16146), (13455, 15516)]