157979680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 396567360

約数和(自身を除く): 238587680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 157, 160, 190, 304, 314, 331, 380, 608, 628, 662, 760, 785, 1256, 1324, 1520, 1570, 1655, 2512, 2648, 2983, 3040, 3140, 3310, 5024, 5296, 5966, 6280, 6289, 6620, 10592, 11932, 12560, 12578, 13240, 14915, 23864, 25120, 25156, 26480, 29830, 31445, 47728, 50312, 51967, 52960, 59660, 62890, 95456, 100624, 103934, 119320, 125780, 201248, 207868, 238640, 251560, 259835, 415736, 477280, 503120, 519670, 831472, 987373, 1006240, 1039340, 1662944, 1974746, 2078680, 3949492, 4157360, 4936865, 7898984, 8314720, 9873730, 15797968, 19747460, 31595936, 39494920, 78989840, 157979680]

約数ペア:

[(1, 157979680), (2, 78989840), (4, 39494920), (5, 31595936), (8, 19747460), (10, 15797968), (16, 9873730), (19, 8314720), (20, 7898984), (32, 4936865), (38, 4157360), (40, 3949492), (76, 2078680), (80, 1974746), (95, 1662944), (152, 1039340), (157, 1006240), (160, 987373), (190, 831472), (304, 519670), (314, 503120), (331, 477280), (380, 415736), (608, 259835), (628, 251560), (662, 238640), (760, 207868), (785, 201248), (1256, 125780), (1324, 119320), (1520, 103934), (1570, 100624), (1655, 95456), (2512, 62890), (2648, 59660), (2983, 52960), (3040, 51967), (3140, 50312), (3310, 47728), (5024, 31445), (5296, 29830), (5966, 26480), (6280, 25156), (6289, 25120), (6620, 23864), (10592, 14915), (11932, 13240), (12560, 12578)]