15157760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 37711872

約数和(自身を除く): 22554112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 191, 248, 256, 310, 320, 382, 496, 512, 620, 640, 764, 955, 992, 1240, 1280, 1528, 1910, 1984, 2480, 2560, 3056, 3820, 3968, 4960, 5921, 6112, 7640, 7936, 9920, 11842, 12224, 15280, 15872, 19840, 23684, 24448, 29605, 30560, 39680, 47368, 48896, 59210, 61120, 79360, 94736, 97792, 118420, 122240, 189472, 236840, 244480, 378944, 473680, 488960, 757888, 947360, 1515776, 1894720, 3031552, 3789440, 7578880, 15157760]

約数ペア:

[(1, 15157760), (2, 7578880), (4, 3789440), (5, 3031552), (8, 1894720), (10, 1515776), (16, 947360), (20, 757888), (31, 488960), (32, 473680), (40, 378944), (62, 244480), (64, 236840), (80, 189472), (124, 122240), (128, 118420), (155, 97792), (160, 94736), (191, 79360), (248, 61120), (256, 59210), (310, 48896), (320, 47368), (382, 39680), (496, 30560), (512, 29605), (620, 24448), (640, 23684), (764, 19840), (955, 15872), (992, 15280), (1240, 12224), (1280, 11842), (1528, 9920), (1910, 7936), (1984, 7640), (2480, 6112), (2560, 5921), (3056, 4960), (3820, 3968)]