25077720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 83980800

約数和(自身を除く): 58903080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 647, 680, 760, 969, 1020, 1140, 1292, 1294, 1615, 1938, 1941, 2040, 2280, 2584, 2588, 3230, 3235, 3876, 3882, 4845, 5176, 6460, 6470, 7752, 7764, 9690, 9705, 10999, 12293, 12920, 12940, 15528, 19380, 19410, 21998, 24586, 25880, 32997, 36879, 38760, 38820, 43996, 49172, 54995, 61465, 65994, 73758, 77640, 87992, 98344, 109990, 122930, 131988, 147516, 164985, 184395, 208981, 219980, 245860, 263976, 295032, 329970, 368790, 417962, 439960, 491720, 626943, 659940, 737580, 835924, 1044905, 1253886, 1319880, 1475160, 1671848, 2089810, 2507772, 3134715, 4179620, 5015544, 6269430, 8359240, 12538860, 25077720]

約数ペア:

[(1, 25077720), (2, 12538860), (3, 8359240), (4, 6269430), (5, 5015544), (6, 4179620), (8, 3134715), (10, 2507772), (12, 2089810), (15, 1671848), (17, 1475160), (19, 1319880), (20, 1253886), (24, 1044905), (30, 835924), (34, 737580), (38, 659940), (40, 626943), (51, 491720), (57, 439960), (60, 417962), (68, 368790), (76, 329970), (85, 295032), (95, 263976), (102, 245860), (114, 219980), (120, 208981), (136, 184395), (152, 164985), (170, 147516), (190, 131988), (204, 122930), (228, 109990), (255, 98344), (285, 87992), (323, 77640), (340, 73758), (380, 65994), (408, 61465), (456, 54995), (510, 49172), (570, 43996), (646, 38820), (647, 38760), (680, 36879), (760, 32997), (969, 25880), (1020, 24586), (1140, 21998), (1292, 19410), (1294, 19380), (1615, 15528), (1938, 12940), (1941, 12920), (2040, 12293), (2280, 10999), (2584, 9705), (2588, 9690), (3230, 7764), (3235, 7752), (3876, 6470), (3882, 6460), (4845, 5176)]