72857440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 182939904

約数和(自身を除く): 110082464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 397, 496, 592, 620, 740, 794, 992, 1147, 1184, 1240, 1480, 1588, 1985, 2294, 2480, 2960, 3176, 3970, 4588, 4960, 5735, 5920, 6352, 7940, 9176, 11470, 12307, 12704, 14689, 15880, 18352, 22940, 24614, 29378, 31760, 36704, 45880, 49228, 58756, 61535, 63520, 73445, 91760, 98456, 117512, 123070, 146890, 183520, 196912, 235024, 246140, 293780, 393824, 455359, 470048, 492280, 587560, 910718, 984560, 1175120, 1821436, 1969120, 2276795, 2350240, 3642872, 4553590, 7285744, 9107180, 14571488, 18214360, 36428720, 72857440]

約数ペア:

[(1, 72857440), (2, 36428720), (4, 18214360), (5, 14571488), (8, 9107180), (10, 7285744), (16, 4553590), (20, 3642872), (31, 2350240), (32, 2276795), (37, 1969120), (40, 1821436), (62, 1175120), (74, 984560), (80, 910718), (124, 587560), (148, 492280), (155, 470048), (160, 455359), (185, 393824), (248, 293780), (296, 246140), (310, 235024), (370, 196912), (397, 183520), (496, 146890), (592, 123070), (620, 117512), (740, 98456), (794, 91760), (992, 73445), (1147, 63520), (1184, 61535), (1240, 58756), (1480, 49228), (1588, 45880), (1985, 36704), (2294, 31760), (2480, 29378), (2960, 24614), (3176, 22940), (3970, 18352), (4588, 15880), (4960, 14689), (5735, 12704), (5920, 12307), (6352, 11470), (7940, 9176)]