30357240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 100776960

約数和(自身を除く): 70419720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 647, 680, 690, 782, 920, 1020, 1173, 1294, 1380, 1564, 1941, 1955, 2040, 2346, 2588, 2760, 3128, 3235, 3882, 3910, 4692, 5176, 5865, 6470, 7764, 7820, 9384, 9705, 10999, 11730, 12940, 14881, 15528, 15640, 19410, 21998, 23460, 25880, 29762, 32997, 38820, 43996, 44643, 46920, 54995, 59524, 65994, 74405, 77640, 87992, 89286, 109990, 119048, 131988, 148810, 164985, 178572, 219980, 223215, 252977, 263976, 297620, 329970, 357144, 439960, 446430, 505954, 595240, 659940, 758931, 892860, 1011908, 1264885, 1319880, 1517862, 1785720, 2023816, 2529770, 3035724, 3794655, 5059540, 6071448, 7589310, 10119080, 15178620, 30357240]

約数ペア:

[(1, 30357240), (2, 15178620), (3, 10119080), (4, 7589310), (5, 6071448), (6, 5059540), (8, 3794655), (10, 3035724), (12, 2529770), (15, 2023816), (17, 1785720), (20, 1517862), (23, 1319880), (24, 1264885), (30, 1011908), (34, 892860), (40, 758931), (46, 659940), (51, 595240), (60, 505954), (68, 446430), (69, 439960), (85, 357144), (92, 329970), (102, 297620), (115, 263976), (120, 252977), (136, 223215), (138, 219980), (170, 178572), (184, 164985), (204, 148810), (230, 131988), (255, 119048), (276, 109990), (340, 89286), (345, 87992), (391, 77640), (408, 74405), (460, 65994), (510, 59524), (552, 54995), (647, 46920), (680, 44643), (690, 43996), (782, 38820), (920, 32997), (1020, 29762), (1173, 25880), (1294, 23460), (1380, 21998), (1564, 19410), (1941, 15640), (1955, 15528), (2040, 14881), (2346, 12940), (2588, 11730), (2760, 10999), (3128, 9705), (3235, 9384), (3882, 7820), (3910, 7764), (4692, 6470), (5176, 5865)]