172881660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{739}}^1$

素因数の和:1315

約数の個数: 96

約数和(自身を含む): 554964480

約数和(自身を除く): 382082820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 557, 739, 1114, 1478, 1671, 2217, 2228, 2785, 2956, 3342, 3695, 3899, 4434, 5173, 5570, 6684, 7390, 7798, 8355, 8868, 10346, 11085, 11140, 11697, 14780, 15519, 15596, 16710, 19495, 20692, 22170, 23394, 25865, 31038, 33420, 38990, 44340, 46788, 51730, 58485, 62076, 77595, 77980, 103460, 116970, 155190, 233940, 310380, 411623, 823246, 1234869, 1646492, 2058115, 2469738, 2881361, 4116230, 4939476, 5762722, 6174345, 8232460, 8644083, 11525444, 12348690, 14406805, 17288166, 24697380, 28813610, 34576332, 43220415, 57627220, 86440830, 172881660]

約数ペア:

[(1, 172881660), (2, 86440830), (3, 57627220), (4, 43220415), (5, 34576332), (6, 28813610), (7, 24697380), (10, 17288166), (12, 14406805), (14, 12348690), (15, 11525444), (20, 8644083), (21, 8232460), (28, 6174345), (30, 5762722), (35, 4939476), (42, 4116230), (60, 2881361), (70, 2469738), (84, 2058115), (105, 1646492), (140, 1234869), (210, 823246), (420, 411623), (557, 310380), (739, 233940), (1114, 155190), (1478, 116970), (1671, 103460), (2217, 77980), (2228, 77595), (2785, 62076), (2956, 58485), (3342, 51730), (3695, 46788), (3899, 44340), (4434, 38990), (5173, 33420), (5570, 31038), (6684, 25865), (7390, 23394), (7798, 22170), (8355, 20692), (8868, 19495), (10346, 16710), (11085, 15596), (11140, 15519), (11697, 14780)]