221316720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2909}}^1$

素因数の和:3242

約数の個数: 80

約数和(自身を含む): 688482720

約数和(自身を除く): 467166000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 317, 634, 951, 1268, 1585, 1902, 2536, 2909, 3170, 3804, 4755, 5072, 5818, 6340, 7608, 8727, 9510, 11636, 12680, 14545, 15216, 17454, 19020, 23272, 25360, 29090, 34908, 38040, 43635, 46544, 58180, 69816, 76080, 87270, 116360, 139632, 174540, 232720, 349080, 698160, 922153, 1844306, 2766459, 3688612, 4610765, 5532918, 7377224, 9221530, 11065836, 13832295, 14754448, 18443060, 22131672, 27664590, 36886120, 44263344, 55329180, 73772240, 110658360, 221316720]

約数ペア:

[(1, 221316720), (2, 110658360), (3, 73772240), (4, 55329180), (5, 44263344), (6, 36886120), (8, 27664590), (10, 22131672), (12, 18443060), (15, 14754448), (16, 13832295), (20, 11065836), (24, 9221530), (30, 7377224), (40, 5532918), (48, 4610765), (60, 3688612), (80, 2766459), (120, 1844306), (240, 922153), (317, 698160), (634, 349080), (951, 232720), (1268, 174540), (1585, 139632), (1902, 116360), (2536, 87270), (2909, 76080), (3170, 69816), (3804, 58180), (4755, 46544), (5072, 43635), (5818, 38040), (6340, 34908), (7608, 29090), (8727, 25360), (9510, 23272), (11636, 19020), (12680, 17454), (14545, 15216)]