305178880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7743

約数の個数: 72

約数和(自身を含む): 754677504

約数和(自身を除く): 449498624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7691, 7936, 9920, 15382, 19840, 30764, 38455, 39680, 61528, 76910, 123056, 153820, 238421, 246112, 307640, 476842, 492224, 615280, 953684, 984448, 1192105, 1230560, 1907368, 1968896, 2384210, 2461120, 3814736, 4768420, 4922240, 7629472, 9536840, 9844480, 15258944, 19073680, 30517888, 38147360, 61035776, 76294720, 152589440, 305178880]

約数ペア:

[(1, 305178880), (2, 152589440), (4, 76294720), (5, 61035776), (8, 38147360), (10, 30517888), (16, 19073680), (20, 15258944), (31, 9844480), (32, 9536840), (40, 7629472), (62, 4922240), (64, 4768420), (80, 3814736), (124, 2461120), (128, 2384210), (155, 1968896), (160, 1907368), (248, 1230560), (256, 1192105), (310, 984448), (320, 953684), (496, 615280), (620, 492224), (640, 476842), (992, 307640), (1240, 246112), (1280, 238421), (1984, 153820), (2480, 123056), (3968, 76910), (4960, 61528), (7691, 39680), (7936, 38455), (9920, 30764), (15382, 19840)]