343931640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220469}}^1$

素因数の和:220496

約数の個数: 64

約数和(自身を含む): 1111168800

約数和(自身を除く): 767237160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 220469, 440938, 661407, 881876, 1102345, 1322814, 1763752, 2204690, 2645628, 2866097, 3307035, 4409380, 5291256, 5732194, 6614070, 8598291, 8818760, 11464388, 13228140, 14330485, 17196582, 22928776, 26456280, 28660970, 34393164, 42991455, 57321940, 68786328, 85982910, 114643880, 171965820, 343931640]

約数ペア:

[(1, 343931640), (2, 171965820), (3, 114643880), (4, 85982910), (5, 68786328), (6, 57321940), (8, 42991455), (10, 34393164), (12, 28660970), (13, 26456280), (15, 22928776), (20, 17196582), (24, 14330485), (26, 13228140), (30, 11464388), (39, 8818760), (40, 8598291), (52, 6614070), (60, 5732194), (65, 5291256), (78, 4409380), (104, 3307035), (120, 2866097), (130, 2645628), (156, 2204690), (195, 1763752), (260, 1322814), (312, 1102345), (390, 881876), (520, 661407), (780, 440938), (1560, 220469)]