15125240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 40824000

約数和(自身を除く): 25698760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 59, 65, 68, 85, 104, 116, 118, 130, 136, 145, 170, 221, 232, 236, 260, 290, 295, 340, 377, 442, 472, 493, 520, 580, 590, 680, 754, 767, 884, 986, 1003, 1105, 1160, 1180, 1508, 1534, 1711, 1768, 1885, 1972, 2006, 2210, 2360, 2465, 3016, 3068, 3422, 3770, 3835, 3944, 4012, 4420, 4930, 5015, 6136, 6409, 6844, 7540, 7670, 8024, 8555, 8840, 9860, 10030, 12818, 13039, 13688, 15080, 15340, 17110, 19720, 20060, 22243, 25636, 26078, 29087, 30680, 32045, 34220, 40120, 44486, 51272, 52156, 58174, 64090, 65195, 68440, 88972, 104312, 111215, 116348, 128180, 130390, 145435, 177944, 222430, 232696, 256360, 260780, 290870, 378131, 444860, 521560, 581740, 756262, 889720, 1163480, 1512524, 1890655, 3025048, 3781310, 7562620, 15125240]

約数ペア:

[(1, 15125240), (2, 7562620), (4, 3781310), (5, 3025048), (8, 1890655), (10, 1512524), (13, 1163480), (17, 889720), (20, 756262), (26, 581740), (29, 521560), (34, 444860), (40, 378131), (52, 290870), (58, 260780), (59, 256360), (65, 232696), (68, 222430), (85, 177944), (104, 145435), (116, 130390), (118, 128180), (130, 116348), (136, 111215), (145, 104312), (170, 88972), (221, 68440), (232, 65195), (236, 64090), (260, 58174), (290, 52156), (295, 51272), (340, 44486), (377, 40120), (442, 34220), (472, 32045), (493, 30680), (520, 29087), (580, 26078), (590, 25636), (680, 22243), (754, 20060), (767, 19720), (884, 17110), (986, 15340), (1003, 15080), (1105, 13688), (1160, 13039), (1180, 12818), (1508, 10030), (1534, 9860), (1711, 8840), (1768, 8555), (1885, 8024), (1972, 7670), (2006, 7540), (2210, 6844), (2360, 6409), (2465, 6136), (3016, 5015), (3068, 4930), (3422, 4420), (3770, 4012), (3835, 3944)]