90471780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1298

約数の個数: 144

約数和(自身を含む): 319213440

約数和(自身を除く): 228741660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1217, 1239, 1260, 1652, 1770, 2065, 2124, 2434, 2478, 2655, 3540, 3651, 3717, 4130, 4868, 4956, 5310, 6085, 6195, 7302, 7434, 8260, 8519, 10620, 10953, 12170, 12390, 14604, 14868, 17038, 18255, 18585, 21906, 24340, 24780, 25557, 34076, 36510, 37170, 42595, 43812, 51114, 54765, 71803, 73020, 74340, 76671, 85190, 102228, 109530, 127785, 143606, 153342, 170380, 215409, 219060, 255570, 287212, 306684, 359015, 383355, 430818, 502621, 511140, 646227, 718030, 766710, 861636, 1005242, 1077045, 1292454, 1436060, 1507863, 1533420, 2010484, 2154090, 2513105, 2584908, 3015726, 3231135, 4308180, 4523589, 5026210, 6031452, 6462270, 7539315, 9047178, 10052420, 12924540, 15078630, 18094356, 22617945, 30157260, 45235890, 90471780]

約数ペア:

[(1, 90471780), (2, 45235890), (3, 30157260), (4, 22617945), (5, 18094356), (6, 15078630), (7, 12924540), (9, 10052420), (10, 9047178), (12, 7539315), (14, 6462270), (15, 6031452), (18, 5026210), (20, 4523589), (21, 4308180), (28, 3231135), (30, 3015726), (35, 2584908), (36, 2513105), (42, 2154090), (45, 2010484), (59, 1533420), (60, 1507863), (63, 1436060), (70, 1292454), (84, 1077045), (90, 1005242), (105, 861636), (118, 766710), (126, 718030), (140, 646227), (177, 511140), (180, 502621), (210, 430818), (236, 383355), (252, 359015), (295, 306684), (315, 287212), (354, 255570), (413, 219060), (420, 215409), (531, 170380), (590, 153342), (630, 143606), (708, 127785), (826, 109530), (885, 102228), (1062, 85190), (1180, 76671), (1217, 74340), (1239, 73020), (1260, 71803), (1652, 54765), (1770, 51114), (2065, 43812), (2124, 42595), (2434, 37170), (2478, 36510), (2655, 34076), (3540, 25557), (3651, 24780), (3717, 24340), (4130, 21906), (4868, 18585), (4956, 18255), (5310, 17038), (6085, 14868), (6195, 14604), (7302, 12390), (7434, 12170), (8260, 10953), (8519, 10620)]