31473680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 160

約数和(自身を含む): 90470400

約数和(自身を除く): 58996720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 49, 56, 62, 70, 74, 80, 98, 112, 124, 140, 148, 155, 185, 196, 217, 245, 248, 259, 280, 296, 310, 343, 370, 392, 434, 490, 496, 518, 560, 592, 620, 686, 740, 784, 868, 980, 1036, 1085, 1147, 1240, 1295, 1372, 1480, 1519, 1715, 1736, 1813, 1960, 2072, 2170, 2294, 2480, 2590, 2744, 2960, 3038, 3430, 3472, 3626, 3920, 4144, 4340, 4588, 5180, 5488, 5735, 6076, 6860, 7252, 7595, 8029, 8680, 9065, 9176, 10360, 10633, 11470, 12152, 12691, 13720, 14504, 15190, 16058, 17360, 18130, 18352, 20720, 21266, 22940, 24304, 25382, 27440, 29008, 30380, 32116, 36260, 40145, 42532, 45880, 50764, 53165, 56203, 60760, 63455, 64232, 72520, 80290, 85064, 91760, 101528, 106330, 112406, 121520, 126910, 128464, 145040, 160580, 170128, 203056, 212660, 224812, 253820, 281015, 321160, 393421, 425320, 449624, 507640, 562030, 642320, 786842, 850640, 899248, 1015280, 1124060, 1573684, 1967105, 2248120, 3147368, 3934210, 4496240, 6294736, 7868420, 15736840, 31473680]

約数ペア:

[(1, 31473680), (2, 15736840), (4, 7868420), (5, 6294736), (7, 4496240), (8, 3934210), (10, 3147368), (14, 2248120), (16, 1967105), (20, 1573684), (28, 1124060), (31, 1015280), (35, 899248), (37, 850640), (40, 786842), (49, 642320), (56, 562030), (62, 507640), (70, 449624), (74, 425320), (80, 393421), (98, 321160), (112, 281015), (124, 253820), (140, 224812), (148, 212660), (155, 203056), (185, 170128), (196, 160580), (217, 145040), (245, 128464), (248, 126910), (259, 121520), (280, 112406), (296, 106330), (310, 101528), (343, 91760), (370, 85064), (392, 80290), (434, 72520), (490, 64232), (496, 63455), (518, 60760), (560, 56203), (592, 53165), (620, 50764), (686, 45880), (740, 42532), (784, 40145), (868, 36260), (980, 32116), (1036, 30380), (1085, 29008), (1147, 27440), (1240, 25382), (1295, 24304), (1372, 22940), (1480, 21266), (1519, 20720), (1715, 18352), (1736, 18130), (1813, 17360), (1960, 16058), (2072, 15190), (2170, 14504), (2294, 13720), (2480, 12691), (2590, 12152), (2744, 11470), (2960, 10633), (3038, 10360), (3430, 9176), (3472, 9065), (3626, 8680), (3920, 8029), (4144, 7595), (4340, 7252), (4588, 6860), (5180, 6076), (5488, 5735)]