1279351320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2602

約数の個数: 256

約数和(自身を含む): 4608576000

約数和(自身を除く): 3329224680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 34, 38, 39, 40, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 104, 114, 120, 130, 136, 152, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 312, 323, 340, 380, 390, 408, 442, 456, 494, 510, 520, 570, 646, 663, 680, 741, 760, 780, 884, 969, 988, 1020, 1105, 1140, 1235, 1292, 1326, 1482, 1560, 1615, 1768, 1938, 1976, 2040, 2210, 2280, 2470, 2539, 2584, 2652, 2964, 3230, 3315, 3705, 3876, 4199, 4420, 4845, 4940, 5078, 5304, 5928, 6460, 6630, 7410, 7617, 7752, 8398, 8840, 9690, 9880, 10156, 12597, 12695, 12920, 13260, 14820, 15234, 16796, 19380, 20312, 20995, 25194, 25390, 26520, 29640, 30468, 33007, 33592, 38085, 38760, 41990, 43163, 48241, 50388, 50780, 60936, 62985, 66014, 76170, 83980, 86326, 96482, 99021, 100776, 101560, 125970, 129489, 132028, 144723, 152340, 165035, 167960, 172652, 192964, 198042, 215815, 241205, 251940, 258978, 264056, 289446, 304680, 330070, 345304, 385928, 396084, 431630, 482410, 495105, 503880, 517956, 561119, 578892, 627133, 647445, 660140, 723615, 792168, 820097, 863260, 964820, 990210, 1035912, 1122238, 1157784, 1254266, 1294890, 1320280, 1447230, 1640194, 1683357, 1726520, 1881399, 1929640, 1980420, 2244476, 2460291, 2508532, 2589780, 2805595, 2894460, 3135665, 3280388, 3366714, 3762798, 3960840, 4100485, 4488952, 4920582, 5017064, 5179560, 5611190, 5788920, 6271330, 6560776, 6733428, 7525596, 8200970, 8416785, 9406995, 9841164, 10661261, 11222380, 12301455, 12542660, 13466856, 15051192, 16401940, 16833570, 18813990, 19682328, 21322522, 22444760, 24602910, 25085320, 31983783, 32803880, 33667140, 37627980, 42645044, 49205820, 53306305, 63967566, 67334280, 75255960, 85290088, 98411640, 106612610, 127935132, 159918915, 213225220, 255870264, 319837830, 426450440, 639675660, 1279351320]

約数ペア:

[(1, 1279351320), (2, 639675660), (3, 426450440), (4, 319837830), (5, 255870264), (6, 213225220), (8, 159918915), (10, 127935132), (12, 106612610), (13, 98411640), (15, 85290088), (17, 75255960), (19, 67334280), (20, 63967566), (24, 53306305), (26, 49205820), (30, 42645044), (34, 37627980), (38, 33667140), (39, 32803880), (40, 31983783), (51, 25085320), (52, 24602910), (57, 22444760), (60, 21322522), (65, 19682328), (68, 18813990), (76, 16833570), (78, 16401940), (85, 15051192), (95, 13466856), (102, 12542660), (104, 12301455), (114, 11222380), (120, 10661261), (130, 9841164), (136, 9406995), (152, 8416785), (156, 8200970), (170, 7525596), (190, 6733428), (195, 6560776), (204, 6271330), (221, 5788920), (228, 5611190), (247, 5179560), (255, 5017064), (260, 4920582), (285, 4488952), (312, 4100485), (323, 3960840), (340, 3762798), (380, 3366714), (390, 3280388), (408, 3135665), (442, 2894460), (456, 2805595), (494, 2589780), (510, 2508532), (520, 2460291), (570, 2244476), (646, 1980420), (663, 1929640), (680, 1881399), (741, 1726520), (760, 1683357), (780, 1640194), (884, 1447230), (969, 1320280), (988, 1294890), (1020, 1254266), (1105, 1157784), (1140, 1122238), (1235, 1035912), (1292, 990210), (1326, 964820), (1482, 863260), (1560, 820097), (1615, 792168), (1768, 723615), (1938, 660140), (1976, 647445), (2040, 627133), (2210, 578892), (2280, 561119), (2470, 517956), (2539, 503880), (2584, 495105), (2652, 482410), (2964, 431630), (3230, 396084), (3315, 385928), (3705, 345304), (3876, 330070), (4199, 304680), (4420, 289446), (4845, 264056), (4940, 258978), (5078, 251940), (5304, 241205), (5928, 215815), (6460, 198042), (6630, 192964), (7410, 172652), (7617, 167960), (7752, 165035), (8398, 152340), (8840, 144723), (9690, 132028), (9880, 129489), (10156, 125970), (12597, 101560), (12695, 100776), (12920, 99021), (13260, 96482), (14820, 86326), (15234, 83980), (16796, 76170), (19380, 66014), (20312, 62985), (20995, 60936), (25194, 50780), (25390, 50388), (26520, 48241), (29640, 43163), (30468, 41990), (33007, 38760), (33592, 38085)]