30037760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 74368896

約数和(自身を除く): 44331136

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, 757, 992, 1240, 1280, 1514, 1984, 2480, 3028, 3785, 3968, 4960, 6056, 7570, 7936, 9920, 12112, 15140, 19840, 23467, 24224, 30280, 39680, 46934, 48448, 60560, 93868, 96896, 117335, 121120, 187736, 193792, 234670, 242240, 375472, 469340, 484480, 750944, 938680, 968960, 1501888, 1877360, 3003776, 3754720, 6007552, 7509440, 15018880, 30037760]

約数ペア:

[(1, 30037760), (2, 15018880), (4, 7509440), (5, 6007552), (8, 3754720), (10, 3003776), (16, 1877360), (20, 1501888), (31, 968960), (32, 938680), (40, 750944), (62, 484480), (64, 469340), (80, 375472), (124, 242240), (128, 234670), (155, 193792), (160, 187736), (248, 121120), (256, 117335), (310, 96896), (320, 93868), (496, 60560), (620, 48448), (640, 46934), (757, 39680), (992, 30280), (1240, 24224), (1280, 23467), (1514, 19840), (1984, 15140), (2480, 12112), (3028, 9920), (3785, 7936), (3968, 7570), (4960, 6056)]