81369120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 298480896

約数和(自身を除く): 217111776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 168, 183, 210, 224, 240, 244, 280, 305, 336, 366, 397, 420, 427, 480, 488, 560, 610, 672, 732, 794, 840, 854, 915, 976, 1120, 1191, 1220, 1281, 1464, 1588, 1680, 1708, 1830, 1952, 1985, 2135, 2382, 2440, 2562, 2779, 2928, 3176, 3360, 3416, 3660, 3970, 4270, 4764, 4880, 5124, 5558, 5856, 5955, 6352, 6405, 6832, 7320, 7940, 8337, 8540, 9528, 9760, 10248, 11116, 11910, 12704, 12810, 13664, 13895, 14640, 15880, 16674, 17080, 19056, 20496, 22232, 23820, 24217, 25620, 27790, 29280, 31760, 33348, 34160, 38112, 40992, 41685, 44464, 47640, 48434, 51240, 55580, 63520, 66696, 68320, 72651, 83370, 88928, 95280, 96868, 102480, 111160, 121085, 133392, 145302, 166740, 169519, 190560, 193736, 204960, 222320, 242170, 266784, 290604, 333480, 339038, 363255, 387472, 444640, 484340, 508557, 581208, 666960, 678076, 726510, 774944, 847595, 968680, 1017114, 1162416, 1333920, 1356152, 1453020, 1695190, 1937360, 2034228, 2324832, 2542785, 2712304, 2906040, 3390380, 3874720, 4068456, 5085570, 5424608, 5812080, 6780760, 8136912, 10171140, 11624160, 13561520, 16273824, 20342280, 27123040, 40684560, 81369120]

約数ペア:

[(1, 81369120), (2, 40684560), (3, 27123040), (4, 20342280), (5, 16273824), (6, 13561520), (7, 11624160), (8, 10171140), (10, 8136912), (12, 6780760), (14, 5812080), (15, 5424608), (16, 5085570), (20, 4068456), (21, 3874720), (24, 3390380), (28, 2906040), (30, 2712304), (32, 2542785), (35, 2324832), (40, 2034228), (42, 1937360), (48, 1695190), (56, 1453020), (60, 1356152), (61, 1333920), (70, 1162416), (80, 1017114), (84, 968680), (96, 847595), (105, 774944), (112, 726510), (120, 678076), (122, 666960), (140, 581208), (160, 508557), (168, 484340), (183, 444640), (210, 387472), (224, 363255), (240, 339038), (244, 333480), (280, 290604), (305, 266784), (336, 242170), (366, 222320), (397, 204960), (420, 193736), (427, 190560), (480, 169519), (488, 166740), (560, 145302), (610, 133392), (672, 121085), (732, 111160), (794, 102480), (840, 96868), (854, 95280), (915, 88928), (976, 83370), (1120, 72651), (1191, 68320), (1220, 66696), (1281, 63520), (1464, 55580), (1588, 51240), (1680, 48434), (1708, 47640), (1830, 44464), (1952, 41685), (1985, 40992), (2135, 38112), (2382, 34160), (2440, 33348), (2562, 31760), (2779, 29280), (2928, 27790), (3176, 25620), (3360, 24217), (3416, 23820), (3660, 22232), (3970, 20496), (4270, 19056), (4764, 17080), (4880, 16674), (5124, 15880), (5558, 14640), (5856, 13895), (5955, 13664), (6352, 12810), (6405, 12704), (6832, 11910), (7320, 11116), (7940, 10248), (8337, 9760), (8540, 9528)]