6465031380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{505871}}^1$

素因数の和:505957

約数の個数: 72

約数和(自身を含む): 19886840064

約数和(自身を除く): 13421808684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 505871, 1011742, 1517613, 2023484, 2529355, 3035226, 4552839, 5058710, 6070452, 7588065, 9105678, 10117420, 15176130, 18211356, 22764195, 30352260, 35916841, 45528390, 71833682, 91056780, 107750523, 143667364, 179584205, 215501046, 323251569, 359168410, 431002092, 538752615, 646503138, 718336820, 1077505230, 1293006276, 1616257845, 2155010460, 3232515690, 6465031380]

約数ペア:

[(1, 6465031380), (2, 3232515690), (3, 2155010460), (4, 1616257845), (5, 1293006276), (6, 1077505230), (9, 718336820), (10, 646503138), (12, 538752615), (15, 431002092), (18, 359168410), (20, 323251569), (30, 215501046), (36, 179584205), (45, 143667364), (60, 107750523), (71, 91056780), (90, 71833682), (142, 45528390), (180, 35916841), (213, 30352260), (284, 22764195), (355, 18211356), (426, 15176130), (639, 10117420), (710, 9105678), (852, 7588065), (1065, 6070452), (1278, 5058710), (1420, 4552839), (2130, 3035226), (2556, 2529355), (3195, 2023484), (4260, 1517613), (6390, 1011742), (12780, 505871)]