257029456880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1061}}^1\times {\mathrm{2131}}^1$

素因数の和:3248

約数の個数: 240

約数和(自身を含む): 720146363040

約数和(自身を除く): 463116906160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1061, 1160, 1421, 1624, 1960, 2030, 2122, 2131, 2320, 2842, 3248, 3920, 4060, 4244, 4262, 5305, 5684, 7105, 7427, 8120, 8488, 8524, 10610, 10655, 11368, 14210, 14854, 14917, 16240, 16976, 17048, 21220, 21310, 22736, 28420, 29708, 29834, 30769, 34096, 37135, 42440, 42620, 51989, 56840, 59416, 59668, 61538, 61799, 74270, 74585, 84880, 85240, 103978, 104419, 113680, 118832, 119336, 123076, 123598, 148540, 149170, 153845, 170480, 207956, 208838, 215383, 238672, 246152, 247196, 259945, 297080, 298340, 307690, 308995, 415912, 417676, 430766, 432593, 492304, 494392, 519890, 522095, 594160, 596680, 615380, 617990, 831824, 835352, 861532, 865186, 988784, 1039780, 1044190, 1076915, 1193360, 1230760, 1235980, 1507681, 1670704, 1723064, 1730372, 2079560, 2088380, 2153830, 2162965, 2260991, 2461520, 2471960, 3015362, 3028151, 3446128, 3460744, 4159120, 4176760, 4307660, 4325930, 4521982, 4943920, 6030724, 6056302, 6921488, 7538405, 8353520, 8615320, 8651860, 9043964, 11304955, 12061448, 12112604, 15076810, 15140755, 15826937, 17230640, 17303720, 18087928, 22609910, 24122896, 24225208, 30153620, 30281510, 31653874, 34607440, 36175856, 45219820, 48450416, 60307240, 60563020, 63307748, 65568739, 79134685, 90439640, 110788559, 120614480, 121126040, 126615496, 131137478, 158269370, 180879280, 221577118, 242252080, 253230992, 262274956, 316538740, 327843695, 443154236, 458981173, 524549912, 553942795, 633077480, 655687390, 886308472, 917962346, 1049099824, 1107885590, 1266154960, 1311374780, 1772616944, 1835924692, 2215771180, 2294905865, 2622749560, 3212868211, 3671849384, 4431542360, 4589811730, 5245499120, 6425736422, 7343698768, 8863084720, 9179623460, 12851472844, 16064341055, 18359246920, 25702945688, 32128682110, 36718493840, 51405891376, 64257364220, 128514728440, 257029456880]

約数ペア:

[(1, 257029456880), (2, 128514728440), (4, 64257364220), (5, 51405891376), (7, 36718493840), (8, 32128682110), (10, 25702945688), (14, 18359246920), (16, 16064341055), (20, 12851472844), (28, 9179623460), (29, 8863084720), (35, 7343698768), (40, 6425736422), (49, 5245499120), (56, 4589811730), (58, 4431542360), (70, 3671849384), (80, 3212868211), (98, 2622749560), (112, 2294905865), (116, 2215771180), (140, 1835924692), (145, 1772616944), (196, 1311374780), (203, 1266154960), (232, 1107885590), (245, 1049099824), (280, 917962346), (290, 886308472), (392, 655687390), (406, 633077480), (464, 553942795), (490, 524549912), (560, 458981173), (580, 443154236), (784, 327843695), (812, 316538740), (980, 262274956), (1015, 253230992), (1061, 242252080), (1160, 221577118), (1421, 180879280), (1624, 158269370), (1960, 131137478), (2030, 126615496), (2122, 121126040), (2131, 120614480), (2320, 110788559), (2842, 90439640), (3248, 79134685), (3920, 65568739), (4060, 63307748), (4244, 60563020), (4262, 60307240), (5305, 48450416), (5684, 45219820), (7105, 36175856), (7427, 34607440), (8120, 31653874), (8488, 30281510), (8524, 30153620), (10610, 24225208), (10655, 24122896), (11368, 22609910), (14210, 18087928), (14854, 17303720), (14917, 17230640), (16240, 15826937), (16976, 15140755), (17048, 15076810), (21220, 12112604), (21310, 12061448), (22736, 11304955), (28420, 9043964), (29708, 8651860), (29834, 8615320), (30769, 8353520), (34096, 7538405), (37135, 6921488), (42440, 6056302), (42620, 6030724), (51989, 4943920), (56840, 4521982), (59416, 4325930), (59668, 4307660), (61538, 4176760), (61799, 4159120), (74270, 3460744), (74585, 3446128), (84880, 3028151), (85240, 3015362), (103978, 2471960), (104419, 2461520), (113680, 2260991), (118832, 2162965), (119336, 2153830), (123076, 2088380), (123598, 2079560), (148540, 1730372), (149170, 1723064), (153845, 1670704), (170480, 1507681), (207956, 1235980), (208838, 1230760), (215383, 1193360), (238672, 1076915), (246152, 1044190), (247196, 1039780), (259945, 988784), (297080, 865186), (298340, 861532), (307690, 835352), (308995, 831824), (415912, 617990), (417676, 615380), (430766, 596680), (432593, 594160), (492304, 522095), (494392, 519890)]