78453840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2999}}^1$

素因数の和:3124

約数の個数: 80

約数和(自身を含む): 245520000

約数和(自身を除く): 167066160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 2999, 3270, 4360, 5232, 5998, 6540, 8720, 8997, 11996, 13080, 14995, 17994, 23992, 26160, 29990, 35988, 44985, 47984, 59980, 71976, 89970, 119960, 143952, 179940, 239920, 326891, 359880, 653782, 719760, 980673, 1307564, 1634455, 1961346, 2615128, 3268910, 3922692, 4903365, 5230256, 6537820, 7845384, 9806730, 13075640, 15690768, 19613460, 26151280, 39226920, 78453840]

約数ペア:

[(1, 78453840), (2, 39226920), (3, 26151280), (4, 19613460), (5, 15690768), (6, 13075640), (8, 9806730), (10, 7845384), (12, 6537820), (15, 5230256), (16, 4903365), (20, 3922692), (24, 3268910), (30, 2615128), (40, 1961346), (48, 1634455), (60, 1307564), (80, 980673), (109, 719760), (120, 653782), (218, 359880), (240, 326891), (327, 239920), (436, 179940), (545, 143952), (654, 119960), (872, 89970), (1090, 71976), (1308, 59980), (1635, 47984), (1744, 44985), (2180, 35988), (2616, 29990), (2999, 26160), (3270, 23992), (4360, 17994), (5232, 14995), (5998, 13080), (6540, 11996), (8720, 8997)]