215999940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8933}}^1$

素因数の和:8989

約数の個数: 96

約数和(自身を含む): 672408576

約数和(自身を除く): 456408636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 8933, 12090, 17866, 24180, 26799, 35732, 44665, 53598, 89330, 107196, 116129, 133995, 178660, 232258, 267990, 276923, 348387, 464516, 535980, 553846, 580645, 696774, 830769, 1107692, 1161290, 1384615, 1393548, 1661538, 1741935, 2322580, 2769230, 3323076, 3483870, 3599999, 4153845, 5538460, 6967740, 7199998, 8307690, 10799997, 14399996, 16615380, 17999995, 21599994, 35999990, 43199988, 53999985, 71999980, 107999970, 215999940]

約数ペア:

[(1, 215999940), (2, 107999970), (3, 71999980), (4, 53999985), (5, 43199988), (6, 35999990), (10, 21599994), (12, 17999995), (13, 16615380), (15, 14399996), (20, 10799997), (26, 8307690), (30, 7199998), (31, 6967740), (39, 5538460), (52, 4153845), (60, 3599999), (62, 3483870), (65, 3323076), (78, 2769230), (93, 2322580), (124, 1741935), (130, 1661538), (155, 1393548), (156, 1384615), (186, 1161290), (195, 1107692), (260, 830769), (310, 696774), (372, 580645), (390, 553846), (403, 535980), (465, 464516), (620, 348387), (780, 276923), (806, 267990), (930, 232258), (1209, 178660), (1612, 133995), (1860, 116129), (2015, 107196), (2418, 89330), (4030, 53598), (4836, 44665), (6045, 35732), (8060, 26799), (8933, 24180), (12090, 17866)]