89557760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 231151872

約数和(自身を除く): 141594112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 61, 62, 64, 74, 80, 122, 124, 128, 148, 155, 160, 185, 244, 248, 256, 296, 305, 310, 320, 370, 488, 496, 592, 610, 620, 640, 740, 976, 992, 1147, 1184, 1220, 1240, 1280, 1480, 1891, 1952, 1984, 2257, 2294, 2368, 2440, 2480, 2960, 3782, 3904, 3968, 4514, 4588, 4736, 4880, 4960, 5735, 5920, 7564, 7808, 7936, 9028, 9176, 9455, 9472, 9760, 9920, 11285, 11470, 11840, 15128, 15616, 18056, 18352, 18910, 19520, 19840, 22570, 22940, 23680, 30256, 36112, 36704, 37820, 39040, 39680, 45140, 45880, 47360, 60512, 69967, 72224, 73408, 75640, 78080, 90280, 91760, 121024, 139934, 144448, 146816, 151280, 180560, 183520, 242048, 279868, 288896, 293632, 302560, 349835, 361120, 367040, 484096, 559736, 577792, 605120, 699670, 722240, 734080, 1119472, 1210240, 1399340, 1444480, 1468160, 2238944, 2420480, 2798680, 2888960, 4477888, 5597360, 8955776, 11194720, 17911552, 22389440, 44778880, 89557760]

約数ペア:

[(1, 89557760), (2, 44778880), (4, 22389440), (5, 17911552), (8, 11194720), (10, 8955776), (16, 5597360), (20, 4477888), (31, 2888960), (32, 2798680), (37, 2420480), (40, 2238944), (61, 1468160), (62, 1444480), (64, 1399340), (74, 1210240), (80, 1119472), (122, 734080), (124, 722240), (128, 699670), (148, 605120), (155, 577792), (160, 559736), (185, 484096), (244, 367040), (248, 361120), (256, 349835), (296, 302560), (305, 293632), (310, 288896), (320, 279868), (370, 242048), (488, 183520), (496, 180560), (592, 151280), (610, 146816), (620, 144448), (640, 139934), (740, 121024), (976, 91760), (992, 90280), (1147, 78080), (1184, 75640), (1220, 73408), (1240, 72224), (1280, 69967), (1480, 60512), (1891, 47360), (1952, 45880), (1984, 45140), (2257, 39680), (2294, 39040), (2368, 37820), (2440, 36704), (2480, 36112), (2960, 30256), (3782, 23680), (3904, 22940), (3968, 22570), (4514, 19840), (4588, 19520), (4736, 18910), (4880, 18352), (4960, 18056), (5735, 15616), (5920, 15128), (7564, 11840), (7808, 11470), (7936, 11285), (9028, 9920), (9176, 9760), (9455, 9472)]