744778840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 1925804160

約数和(自身を除く): 1181025320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 173, 221, 260, 340, 346, 442, 487, 520, 680, 692, 865, 884, 974, 1105, 1384, 1730, 1768, 1948, 2210, 2249, 2435, 2941, 3460, 3896, 4420, 4498, 4870, 5882, 6331, 6920, 8279, 8840, 8996, 9740, 11245, 11764, 12662, 14705, 16558, 17992, 19480, 22490, 23528, 25324, 29410, 31655, 33116, 38233, 41395, 44980, 50648, 58820, 63310, 66232, 76466, 82790, 84251, 89960, 107627, 117640, 126620, 152932, 165580, 168502, 191165, 215254, 253240, 305864, 331160, 337004, 382330, 421255, 430508, 538135, 674008, 764660, 842510, 861016, 1076270, 1095263, 1432267, 1529320, 1685020, 2152540, 2190526, 2864534, 3370040, 4305080, 4381052, 5476315, 5729068, 7161335, 8762104, 10952630, 11458136, 14322670, 18619471, 21905260, 28645340, 37238942, 43810520, 57290680, 74477884, 93097355, 148955768, 186194710, 372389420, 744778840]

約数ペア:

[(1, 744778840), (2, 372389420), (4, 186194710), (5, 148955768), (8, 93097355), (10, 74477884), (13, 57290680), (17, 43810520), (20, 37238942), (26, 28645340), (34, 21905260), (40, 18619471), (52, 14322670), (65, 11458136), (68, 10952630), (85, 8762104), (104, 7161335), (130, 5729068), (136, 5476315), (170, 4381052), (173, 4305080), (221, 3370040), (260, 2864534), (340, 2190526), (346, 2152540), (442, 1685020), (487, 1529320), (520, 1432267), (680, 1095263), (692, 1076270), (865, 861016), (884, 842510), (974, 764660), (1105, 674008), (1384, 538135), (1730, 430508), (1768, 421255), (1948, 382330), (2210, 337004), (2249, 331160), (2435, 305864), (2941, 253240), (3460, 215254), (3896, 191165), (4420, 168502), (4498, 165580), (4870, 152932), (5882, 126620), (6331, 117640), (6920, 107627), (8279, 89960), (8840, 84251), (8996, 82790), (9740, 76466), (11245, 66232), (11764, 63310), (12662, 58820), (14705, 50648), (16558, 44980), (17992, 41395), (19480, 38233), (22490, 33116), (23528, 31655), (25324, 29410)]