30315520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 88

約数和(自身を含む): 75460608

約数和(自身を除く): 45145088

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, 1024, 1240, 1280, 1528, 1910, 1984, 2480, 2560, 3056, 3820, 3968, 4960, 5120, 5921, 6112, 7640, 7936, 9920, 11842, 12224, 15280, 15872, 19840, 23684, 24448, 29605, 30560, 31744, 39680, 47368, 48896, 59210, 61120, 79360, 94736, 97792, 118420, 122240, 158720, 189472, 195584, 236840, 244480, 378944, 473680, 488960, 757888, 947360, 977920, 1515776, 1894720, 3031552, 3789440, 6063104, 7578880, 15157760, 30315520]

約数ペア:

[(1, 30315520), (2, 15157760), (4, 7578880), (5, 6063104), (8, 3789440), (10, 3031552), (16, 1894720), (20, 1515776), (31, 977920), (32, 947360), (40, 757888), (62, 488960), (64, 473680), (80, 378944), (124, 244480), (128, 236840), (155, 195584), (160, 189472), (191, 158720), (248, 122240), (256, 118420), (310, 97792), (320, 94736), (382, 79360), (496, 61120), (512, 59210), (620, 48896), (640, 47368), (764, 39680), (955, 31744), (992, 30560), (1024, 29605), (1240, 24448), (1280, 23684), (1528, 19840), (1910, 15872), (1984, 15280), (2480, 12224), (2560, 11842), (3056, 9920), (3820, 7936), (3968, 7640), (4960, 6112), (5120, 5921)]