64398040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 178536960

約数和(自身を除く): 114138920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 83, 85, 119, 136, 140, 163, 166, 170, 238, 280, 326, 332, 340, 415, 476, 581, 595, 652, 664, 680, 815, 830, 952, 1141, 1162, 1190, 1304, 1411, 1630, 1660, 2282, 2324, 2380, 2771, 2822, 2905, 3260, 3320, 4564, 4648, 4760, 5542, 5644, 5705, 5810, 6520, 7055, 9128, 9877, 11084, 11288, 11410, 11620, 13529, 13855, 14110, 19397, 19754, 22168, 22820, 23240, 27058, 27710, 28220, 38794, 39508, 45640, 49385, 54116, 55420, 56440, 67645, 77588, 79016, 94703, 96985, 98770, 108232, 110840, 135290, 155176, 189406, 193970, 197540, 229993, 270580, 378812, 387940, 395080, 459986, 473515, 541160, 757624, 775880, 919972, 947030, 1149965, 1609951, 1839944, 1894060, 2299930, 3219902, 3788120, 4599860, 6439804, 8049755, 9199720, 12879608, 16099510, 32199020, 64398040]

約数ペア:

[(1, 64398040), (2, 32199020), (4, 16099510), (5, 12879608), (7, 9199720), (8, 8049755), (10, 6439804), (14, 4599860), (17, 3788120), (20, 3219902), (28, 2299930), (34, 1894060), (35, 1839944), (40, 1609951), (56, 1149965), (68, 947030), (70, 919972), (83, 775880), (85, 757624), (119, 541160), (136, 473515), (140, 459986), (163, 395080), (166, 387940), (170, 378812), (238, 270580), (280, 229993), (326, 197540), (332, 193970), (340, 189406), (415, 155176), (476, 135290), (581, 110840), (595, 108232), (652, 98770), (664, 96985), (680, 94703), (815, 79016), (830, 77588), (952, 67645), (1141, 56440), (1162, 55420), (1190, 54116), (1304, 49385), (1411, 45640), (1630, 39508), (1660, 38794), (2282, 28220), (2324, 27710), (2380, 27058), (2771, 23240), (2822, 22820), (2905, 22168), (3260, 19754), (3320, 19397), (4564, 14110), (4648, 13855), (4760, 13529), (5542, 11620), (5644, 11410), (5705, 11288), (5810, 11084), (6520, 9877), (7055, 9128)]