172433940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 568814400

約数和(自身を除く): 396380460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 659, 735, 890, 980, 1068, 1246, 1318, 1335, 1470, 1780, 1869, 1977, 2492, 2636, 2670, 2940, 3115, 3295, 3738, 3954, 4361, 4613, 5340, 6230, 6590, 7476, 7908, 8722, 9226, 9345, 9885, 12460, 13083, 13180, 13839, 17444, 18452, 18690, 19770, 21805, 23065, 26166, 27678, 32291, 37380, 39540, 43610, 46130, 52332, 55356, 58651, 64582, 65415, 69195, 87220, 92260, 96873, 117302, 129164, 130830, 138390, 161455, 175953, 193746, 234604, 261660, 276780, 293255, 322910, 351906, 387492, 410557, 484365, 586510, 645820, 703812, 821114, 879765, 968730, 1173020, 1231671, 1642228, 1759530, 1937460, 2052785, 2463342, 2873899, 3519060, 4105570, 4926684, 5747798, 6158355, 8211140, 8621697, 11495596, 12316710, 14369495, 17243394, 24633420, 28738990, 34486788, 43108485, 57477980, 86216970, 172433940]

約数ペア:

[(1, 172433940), (2, 86216970), (3, 57477980), (4, 43108485), (5, 34486788), (6, 28738990), (7, 24633420), (10, 17243394), (12, 14369495), (14, 12316710), (15, 11495596), (20, 8621697), (21, 8211140), (28, 6158355), (30, 5747798), (35, 4926684), (42, 4105570), (49, 3519060), (60, 2873899), (70, 2463342), (84, 2052785), (89, 1937460), (98, 1759530), (105, 1642228), (140, 1231671), (147, 1173020), (178, 968730), (196, 879765), (210, 821114), (245, 703812), (267, 645820), (294, 586510), (356, 484365), (420, 410557), (445, 387492), (490, 351906), (534, 322910), (588, 293255), (623, 276780), (659, 261660), (735, 234604), (890, 193746), (980, 175953), (1068, 161455), (1246, 138390), (1318, 130830), (1335, 129164), (1470, 117302), (1780, 96873), (1869, 92260), (1977, 87220), (2492, 69195), (2636, 65415), (2670, 64582), (2940, 58651), (3115, 55356), (3295, 52332), (3738, 46130), (3954, 43610), (4361, 39540), (4613, 37380), (5340, 32291), (6230, 27678), (6590, 26166), (7476, 23065), (7908, 21805), (8722, 19770), (9226, 18690), (9345, 18452), (9885, 17444), (12460, 13839), (13083, 13180)]