65471640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41969}}^1$

素因数の和:41996

約数の個数: 64

約数和(自身を含む): 211528800

約数和(自身を除く): 146057160

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, 41969, 83938, 125907, 167876, 209845, 251814, 335752, 419690, 503628, 545597, 629535, 839380, 1007256, 1091194, 1259070, 1636791, 1678760, 2182388, 2518140, 2727985, 3273582, 4364776, 5036280, 5455970, 6547164, 8183955, 10911940, 13094328, 16367910, 21823880, 32735820, 65471640]

約数ペア:

[(1, 65471640), (2, 32735820), (3, 21823880), (4, 16367910), (5, 13094328), (6, 10911940), (8, 8183955), (10, 6547164), (12, 5455970), (13, 5036280), (15, 4364776), (20, 3273582), (24, 2727985), (26, 2518140), (30, 2182388), (39, 1678760), (40, 1636791), (52, 1259070), (60, 1091194), (65, 1007256), (78, 839380), (104, 629535), (120, 545597), (130, 503628), (156, 419690), (195, 335752), (260, 251814), (312, 209845), (390, 167876), (520, 125907), (780, 83938), (1560, 41969)]