311664080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 160

約数和(自身を含む): 921274368

約数和(自身を除く): 609610288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1381, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2762, 2821, 3224, 3472, 3640, 4030, 4340, 5524, 5642, 6448, 6905, 7280, 8060, 8680, 9667, 11048, 11284, 13810, 14105, 16120, 17360, 17953, 19334, 22096, 22568, 27620, 28210, 32240, 35906, 38668, 42811, 45136, 48335, 55240, 56420, 71812, 77336, 85622, 89765, 96670, 110480, 112840, 125671, 143624, 154672, 171244, 179530, 193340, 214055, 225680, 251342, 287248, 299677, 342488, 359060, 386680, 428110, 502684, 556543, 599354, 628355, 684976, 718120, 773360, 856220, 1005368, 1113086, 1198708, 1256710, 1436240, 1498385, 1712440, 2010736, 2226172, 2397416, 2513420, 2782715, 2996770, 3424880, 3895801, 4452344, 4794832, 5026840, 5565430, 5993540, 7791602, 8904688, 10053680, 11130860, 11987080, 15583204, 19479005, 22261720, 23974160, 31166408, 38958010, 44523440, 62332816, 77916020, 155832040, 311664080]

約数ペア:

[(1, 311664080), (2, 155832040), (4, 77916020), (5, 62332816), (7, 44523440), (8, 38958010), (10, 31166408), (13, 23974160), (14, 22261720), (16, 19479005), (20, 15583204), (26, 11987080), (28, 11130860), (31, 10053680), (35, 8904688), (40, 7791602), (52, 5993540), (56, 5565430), (62, 5026840), (65, 4794832), (70, 4452344), (80, 3895801), (91, 3424880), (104, 2996770), (112, 2782715), (124, 2513420), (130, 2397416), (140, 2226172), (155, 2010736), (182, 1712440), (208, 1498385), (217, 1436240), (248, 1256710), (260, 1198708), (280, 1113086), (310, 1005368), (364, 856220), (403, 773360), (434, 718120), (455, 684976), (496, 628355), (520, 599354), (560, 556543), (620, 502684), (728, 428110), (806, 386680), (868, 359060), (910, 342488), (1040, 299677), (1085, 287248), (1240, 251342), (1381, 225680), (1456, 214055), (1612, 193340), (1736, 179530), (1820, 171244), (2015, 154672), (2170, 143624), (2480, 125671), (2762, 112840), (2821, 110480), (3224, 96670), (3472, 89765), (3640, 85622), (4030, 77336), (4340, 71812), (5524, 56420), (5642, 55240), (6448, 48335), (6905, 45136), (7280, 42811), (8060, 38668), (8680, 35906), (9667, 32240), (11048, 28210), (11284, 27620), (13810, 22568), (14105, 22096), (16120, 19334), (17360, 17953)]