251087280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 320

約数和(自身を含む): 899942400

約数和(自身を除く): 648855120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 41, 48, 51, 57, 60, 68, 76, 79, 80, 82, 85, 95, 102, 114, 120, 123, 136, 152, 158, 164, 170, 190, 204, 205, 228, 237, 240, 246, 255, 272, 285, 304, 316, 323, 328, 340, 380, 395, 408, 410, 456, 474, 492, 510, 570, 615, 632, 646, 656, 680, 697, 760, 779, 790, 816, 820, 912, 948, 969, 984, 1020, 1140, 1185, 1230, 1264, 1292, 1343, 1360, 1394, 1501, 1520, 1558, 1580, 1615, 1640, 1896, 1938, 1968, 2040, 2091, 2280, 2337, 2370, 2460, 2584, 2686, 2788, 3002, 3116, 3160, 3230, 3239, 3280, 3485, 3792, 3876, 3895, 4029, 4080, 4182, 4503, 4560, 4674, 4740, 4845, 4920, 5168, 5372, 5576, 6004, 6232, 6320, 6460, 6478, 6715, 6970, 7505, 7752, 7790, 8058, 8364, 9006, 9348, 9480, 9690, 9717, 9840, 10455, 10744, 11152, 11685, 12008, 12464, 12920, 12956, 13243, 13430, 13940, 15010, 15504, 15580, 16116, 16195, 16728, 18012, 18696, 18960, 19380, 19434, 20145, 20910, 21488, 22515, 23370, 24016, 25517, 25840, 25912, 26486, 26860, 27880, 30020, 31160, 32232, 32390, 33456, 36024, 37392, 38760, 38868, 39729, 40290, 41820, 45030, 46740, 48585, 51034, 51824, 52972, 53720, 55063, 55760, 60040, 61541, 62320, 64464, 64780, 66215, 72048, 76551, 77520, 77736, 79458, 80580, 83640, 90060, 93480, 97170, 102068, 105944, 107440, 110126, 120080, 123082, 127585, 129560, 132430, 153102, 155472, 158916, 161160, 165189, 167280, 180120, 184623, 186960, 194340, 198645, 204136, 211888, 220252, 246164, 255170, 259120, 264860, 275315, 306204, 307705, 317832, 322320, 330378, 360240, 369246, 382755, 388680, 397290, 408272, 440504, 492328, 510340, 529720, 550630, 612408, 615410, 635664, 660756, 738492, 765510, 777360, 794580, 825945, 881008, 923115, 984656, 1020680, 1046197, 1059440, 1101260, 1224816, 1230820, 1321512, 1476984, 1531020, 1589160, 1651890, 1846230, 2041360, 2092394, 2202520, 2461640, 2643024, 2953968, 3062040, 3138591, 3178320, 3303780, 3692460, 4184788, 4405040, 4923280, 5230985, 6124080, 6277182, 6607560, 7384920, 8369576, 10461970, 12554364, 13215120, 14769840, 15692955, 16739152, 20923940, 25108728, 31385910, 41847880, 50217456, 62771820, 83695760, 125543640, 251087280]

約数ペア:

[(1, 251087280), (2, 125543640), (3, 83695760), (4, 62771820), (5, 50217456), (6, 41847880), (8, 31385910), (10, 25108728), (12, 20923940), (15, 16739152), (16, 15692955), (17, 14769840), (19, 13215120), (20, 12554364), (24, 10461970), (30, 8369576), (34, 7384920), (38, 6607560), (40, 6277182), (41, 6124080), (48, 5230985), (51, 4923280), (57, 4405040), (60, 4184788), (68, 3692460), (76, 3303780), (79, 3178320), (80, 3138591), (82, 3062040), (85, 2953968), (95, 2643024), (102, 2461640), (114, 2202520), (120, 2092394), (123, 2041360), (136, 1846230), (152, 1651890), (158, 1589160), (164, 1531020), (170, 1476984), (190, 1321512), (204, 1230820), (205, 1224816), (228, 1101260), (237, 1059440), (240, 1046197), (246, 1020680), (255, 984656), (272, 923115), (285, 881008), (304, 825945), (316, 794580), (323, 777360), (328, 765510), (340, 738492), (380, 660756), (395, 635664), (408, 615410), (410, 612408), (456, 550630), (474, 529720), (492, 510340), (510, 492328), (570, 440504), (615, 408272), (632, 397290), (646, 388680), (656, 382755), (680, 369246), (697, 360240), (760, 330378), (779, 322320), (790, 317832), (816, 307705), (820, 306204), (912, 275315), (948, 264860), (969, 259120), (984, 255170), (1020, 246164), (1140, 220252), (1185, 211888), (1230, 204136), (1264, 198645), (1292, 194340), (1343, 186960), (1360, 184623), (1394, 180120), (1501, 167280), (1520, 165189), (1558, 161160), (1580, 158916), (1615, 155472), (1640, 153102), (1896, 132430), (1938, 129560), (1968, 127585), (2040, 123082), (2091, 120080), (2280, 110126), (2337, 107440), (2370, 105944), (2460, 102068), (2584, 97170), (2686, 93480), (2788, 90060), (3002, 83640), (3116, 80580), (3160, 79458), (3230, 77736), (3239, 77520), (3280, 76551), (3485, 72048), (3792, 66215), (3876, 64780), (3895, 64464), (4029, 62320), (4080, 61541), (4182, 60040), (4503, 55760), (4560, 55063), (4674, 53720), (4740, 52972), (4845, 51824), (4920, 51034), (5168, 48585), (5372, 46740), (5576, 45030), (6004, 41820), (6232, 40290), (6320, 39729), (6460, 38868), (6478, 38760), (6715, 37392), (6970, 36024), (7505, 33456), (7752, 32390), (7790, 32232), (8058, 31160), (8364, 30020), (9006, 27880), (9348, 26860), (9480, 26486), (9690, 25912), (9717, 25840), (9840, 25517), (10455, 24016), (10744, 23370), (11152, 22515), (11685, 21488), (12008, 20910), (12464, 20145), (12920, 19434), (12956, 19380), (13243, 18960), (13430, 18696), (13940, 18012), (15010, 16728), (15504, 16195), (15580, 16116)]