155921010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 452542464

約数和(自身を除く): 296621454

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 43, 62, 70, 86, 93, 105, 129, 155, 186, 210, 215, 217, 258, 301, 310, 430, 434, 465, 557, 602, 645, 651, 903, 930, 1085, 1114, 1290, 1302, 1333, 1505, 1671, 1806, 2170, 2666, 2785, 3010, 3255, 3342, 3899, 3999, 4515, 5570, 6510, 6665, 7798, 7998, 8355, 9030, 9331, 11697, 13330, 16710, 17267, 18662, 19495, 19995, 23394, 23951, 27993, 34534, 38990, 39990, 46655, 47902, 51801, 55986, 58485, 71853, 86335, 93310, 103602, 116970, 119755, 120869, 139965, 143706, 167657, 172670, 239510, 241738, 259005, 279930, 335314, 359265, 362607, 502971, 518010, 604345, 718530, 725214, 742481, 838285, 1005942, 1208690, 1484962, 1676570, 1813035, 2227443, 2514855, 3626070, 3712405, 4454886, 5029710, 5197367, 7424810, 10394734, 11137215, 15592101, 22274430, 25986835, 31184202, 51973670, 77960505, 155921010]

約数ペア:

[(1, 155921010), (2, 77960505), (3, 51973670), (5, 31184202), (6, 25986835), (7, 22274430), (10, 15592101), (14, 11137215), (15, 10394734), (21, 7424810), (30, 5197367), (31, 5029710), (35, 4454886), (42, 3712405), (43, 3626070), (62, 2514855), (70, 2227443), (86, 1813035), (93, 1676570), (105, 1484962), (129, 1208690), (155, 1005942), (186, 838285), (210, 742481), (215, 725214), (217, 718530), (258, 604345), (301, 518010), (310, 502971), (430, 362607), (434, 359265), (465, 335314), (557, 279930), (602, 259005), (645, 241738), (651, 239510), (903, 172670), (930, 167657), (1085, 143706), (1114, 139965), (1290, 120869), (1302, 119755), (1333, 116970), (1505, 103602), (1671, 93310), (1806, 86335), (2170, 71853), (2666, 58485), (2785, 55986), (3010, 51801), (3255, 47902), (3342, 46655), (3899, 39990), (3999, 38990), (4515, 34534), (5570, 27993), (6510, 23951), (6665, 23394), (7798, 19995), (7998, 19495), (8355, 18662), (9030, 17267), (9331, 16710), (11697, 13330)]