1257645720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 256

約数和(自身を含む): 4273689600

約数和(自身を除く): 3016043880

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, 71, 76, 85, 95, 102, 114, 120, 136, 142, 152, 170, 190, 204, 213, 228, 255, 284, 285, 323, 340, 355, 380, 408, 426, 456, 457, 510, 568, 570, 646, 680, 710, 760, 852, 914, 969, 1020, 1065, 1140, 1207, 1292, 1349, 1371, 1420, 1615, 1704, 1828, 1938, 2040, 2130, 2280, 2285, 2414, 2584, 2698, 2742, 2840, 3230, 3621, 3656, 3876, 4047, 4260, 4570, 4828, 4845, 5396, 5484, 6035, 6460, 6745, 6855, 7242, 7752, 7769, 8094, 8520, 8683, 9140, 9656, 9690, 10792, 10968, 12070, 12920, 13490, 13710, 14484, 15538, 16188, 17366, 18105, 18280, 19380, 20235, 22933, 23307, 24140, 26049, 26980, 27420, 28968, 31076, 32376, 32447, 34732, 36210, 38760, 38845, 40470, 43415, 45866, 46614, 48280, 52098, 53960, 54840, 62152, 64894, 68799, 69464, 72420, 77690, 80940, 86830, 91732, 93228, 97341, 104196, 114665, 116535, 129788, 130245, 137598, 144840, 147611, 155380, 161880, 162235, 173660, 183464, 186456, 194682, 208392, 229330, 233070, 259576, 260490, 275196, 295222, 310760, 324470, 343995, 347320, 389364, 442833, 458660, 466140, 486705, 520980, 550392, 551599, 590444, 616493, 648940, 687990, 738055, 778728, 885666, 917320, 932280, 973410, 1041960, 1103198, 1180888, 1232986, 1297880, 1375980, 1476110, 1654797, 1771332, 1849479, 1946820, 2206396, 2214165, 2465972, 2751960, 2757995, 2952220, 3082465, 3309594, 3542664, 3698958, 3893640, 4412792, 4428330, 4931944, 5515990, 5904440, 6164930, 6619188, 7397916, 8273985, 8856660, 9247395, 10480381, 11031980, 12329860, 13238376, 14795832, 16547970, 17713320, 18494790, 20960762, 22063960, 24659720, 31441143, 33095940, 36989580, 41921524, 52401905, 62882286, 66191880, 73979160, 83843048, 104803810, 125764572, 157205715, 209607620, 251529144, 314411430, 419215240, 628822860, 1257645720]

約数ペア:

[(1, 1257645720), (2, 628822860), (3, 419215240), (4, 314411430), (5, 251529144), (6, 209607620), (8, 157205715), (10, 125764572), (12, 104803810), (15, 83843048), (17, 73979160), (19, 66191880), (20, 62882286), (24, 52401905), (30, 41921524), (34, 36989580), (38, 33095940), (40, 31441143), (51, 24659720), (57, 22063960), (60, 20960762), (68, 18494790), (71, 17713320), (76, 16547970), (85, 14795832), (95, 13238376), (102, 12329860), (114, 11031980), (120, 10480381), (136, 9247395), (142, 8856660), (152, 8273985), (170, 7397916), (190, 6619188), (204, 6164930), (213, 5904440), (228, 5515990), (255, 4931944), (284, 4428330), (285, 4412792), (323, 3893640), (340, 3698958), (355, 3542664), (380, 3309594), (408, 3082465), (426, 2952220), (456, 2757995), (457, 2751960), (510, 2465972), (568, 2214165), (570, 2206396), (646, 1946820), (680, 1849479), (710, 1771332), (760, 1654797), (852, 1476110), (914, 1375980), (969, 1297880), (1020, 1232986), (1065, 1180888), (1140, 1103198), (1207, 1041960), (1292, 973410), (1349, 932280), (1371, 917320), (1420, 885666), (1615, 778728), (1704, 738055), (1828, 687990), (1938, 648940), (2040, 616493), (2130, 590444), (2280, 551599), (2285, 550392), (2414, 520980), (2584, 486705), (2698, 466140), (2742, 458660), (2840, 442833), (3230, 389364), (3621, 347320), (3656, 343995), (3876, 324470), (4047, 310760), (4260, 295222), (4570, 275196), (4828, 260490), (4845, 259576), (5396, 233070), (5484, 229330), (6035, 208392), (6460, 194682), (6745, 186456), (6855, 183464), (7242, 173660), (7752, 162235), (7769, 161880), (8094, 155380), (8520, 147611), (8683, 144840), (9140, 137598), (9656, 130245), (9690, 129788), (10792, 116535), (10968, 114665), (12070, 104196), (12920, 97341), (13490, 93228), (13710, 91732), (14484, 86830), (15538, 80940), (16188, 77690), (17366, 72420), (18105, 69464), (18280, 68799), (19380, 64894), (20235, 62152), (22933, 54840), (23307, 53960), (24140, 52098), (26049, 48280), (26980, 46614), (27420, 45866), (28968, 43415), (31076, 40470), (32376, 38845), (32447, 38760), (34732, 36210)]