81210080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2392

約数の個数: 96

約数和(自身を含む): 226437120

約数和(自身を除く): 145227040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2339, 2480, 3472, 4340, 4678, 4960, 6944, 8680, 9356, 11695, 16373, 17360, 18712, 23390, 32746, 34720, 37424, 46780, 65492, 72509, 74848, 81865, 93560, 130984, 145018, 163730, 187120, 261968, 290036, 327460, 362545, 374240, 507563, 523936, 580072, 654920, 725090, 1015126, 1160144, 1309840, 1450180, 2030252, 2320288, 2537815, 2619680, 2900360, 4060504, 5075630, 5800720, 8121008, 10151260, 11601440, 16242016, 20302520, 40605040, 81210080]

約数ペア:

[(1, 81210080), (2, 40605040), (4, 20302520), (5, 16242016), (7, 11601440), (8, 10151260), (10, 8121008), (14, 5800720), (16, 5075630), (20, 4060504), (28, 2900360), (31, 2619680), (32, 2537815), (35, 2320288), (40, 2030252), (56, 1450180), (62, 1309840), (70, 1160144), (80, 1015126), (112, 725090), (124, 654920), (140, 580072), (155, 523936), (160, 507563), (217, 374240), (224, 362545), (248, 327460), (280, 290036), (310, 261968), (434, 187120), (496, 163730), (560, 145018), (620, 130984), (868, 93560), (992, 81865), (1085, 74848), (1120, 72509), (1240, 65492), (1736, 46780), (2170, 37424), (2339, 34720), (2480, 32746), (3472, 23390), (4340, 18712), (4678, 17360), (4960, 16373), (6944, 11695), (8680, 9356)]