55274240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 156979200

約数和(自身を除く): 101704960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 199, 217, 224, 248, 256, 280, 310, 320, 398, 434, 448, 496, 560, 620, 640, 796, 868, 896, 992, 995, 1085, 1120, 1240, 1280, 1393, 1592, 1736, 1792, 1984, 1990, 2170, 2240, 2480, 2786, 3184, 3472, 3968, 3980, 4340, 4480, 4960, 5572, 6169, 6368, 6944, 6965, 7936, 7960, 8680, 8960, 9920, 11144, 12338, 12736, 13888, 13930, 15920, 17360, 19840, 22288, 24676, 25472, 27776, 27860, 30845, 31840, 34720, 39680, 43183, 44576, 49352, 50944, 55552, 55720, 61690, 63680, 69440, 86366, 89152, 98704, 111440, 123380, 127360, 138880, 172732, 178304, 197408, 215915, 222880, 246760, 254720, 277760, 345464, 356608, 394816, 431830, 445760, 493520, 690928, 789632, 863660, 891520, 987040, 1381856, 1579264, 1727320, 1783040, 1974080, 2763712, 3454640, 3948160, 5527424, 6909280, 7896320, 11054848, 13818560, 27637120, 55274240]

約数ペア:

[(1, 55274240), (2, 27637120), (4, 13818560), (5, 11054848), (7, 7896320), (8, 6909280), (10, 5527424), (14, 3948160), (16, 3454640), (20, 2763712), (28, 1974080), (31, 1783040), (32, 1727320), (35, 1579264), (40, 1381856), (56, 987040), (62, 891520), (64, 863660), (70, 789632), (80, 690928), (112, 493520), (124, 445760), (128, 431830), (140, 394816), (155, 356608), (160, 345464), (199, 277760), (217, 254720), (224, 246760), (248, 222880), (256, 215915), (280, 197408), (310, 178304), (320, 172732), (398, 138880), (434, 127360), (448, 123380), (496, 111440), (560, 98704), (620, 89152), (640, 86366), (796, 69440), (868, 63680), (896, 61690), (992, 55720), (995, 55552), (1085, 50944), (1120, 49352), (1240, 44576), (1280, 43183), (1393, 39680), (1592, 34720), (1736, 31840), (1792, 30845), (1984, 27860), (1990, 27776), (2170, 25472), (2240, 24676), (2480, 22288), (2786, 19840), (3184, 17360), (3472, 15920), (3968, 13930), (3980, 13888), (4340, 12736), (4480, 12338), (4960, 11144), (5572, 9920), (6169, 8960), (6368, 8680), (6944, 7960), (6965, 7936)]