78580320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 288

約数和(自身を含む): 311296608

約数和(自身を除く): 232716288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 257, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 514, 520, 546, 560, 588, 624, 637, 672, 728, 735, 771, 780, 784, 840, 910, 980, 1028, 1040, 1092, 1120, 1176, 1248, 1274, 1285, 1365, 1456, 1470, 1542, 1560, 1568, 1680, 1799, 1820, 1911, 1960, 2056, 2080, 2184, 2352, 2548, 2570, 2730, 2912, 2940, 3084, 3120, 3185, 3341, 3360, 3598, 3640, 3822, 3855, 3920, 4112, 4368, 4704, 5096, 5140, 5397, 5460, 5880, 6168, 6240, 6370, 6682, 7196, 7280, 7644, 7710, 7840, 8224, 8736, 8995, 9555, 10023, 10192, 10280, 10794, 10920, 11760, 12336, 12593, 12740, 13364, 14392, 14560, 15288, 15420, 16705, 17990, 19110, 20046, 20384, 20560, 21588, 21840, 23387, 23520, 24672, 25186, 25480, 26728, 26985, 28784, 30576, 30840, 33410, 35980, 37779, 38220, 40092, 41120, 43176, 43680, 46774, 50115, 50372, 50960, 53456, 53970, 57568, 61152, 61680, 62965, 66820, 70161, 71960, 75558, 76440, 80184, 86352, 93548, 100230, 100744, 101920, 106912, 107940, 116935, 123360, 125930, 133640, 140322, 143920, 151116, 152880, 160368, 163709, 172704, 187096, 188895, 200460, 201488, 215880, 233870, 251860, 267280, 280644, 287840, 302232, 305760, 320736, 327418, 350805, 374192, 377790, 400920, 402976, 431760, 467740, 491127, 503720, 534560, 561288, 604464, 654836, 701610, 748384, 755580, 801840, 818545, 863520, 935480, 982254, 1007440, 1122576, 1208928, 1309672, 1403220, 1511160, 1603680, 1637090, 1870960, 1964508, 2014880, 2245152, 2455635, 2619344, 2806440, 3022320, 3274180, 3741920, 3929016, 4911270, 5238688, 5612880, 6044640, 6548360, 7858032, 9822540, 11225760, 13096720, 15716064, 19645080, 26193440, 39290160, 78580320]

約数ペア:

[(1, 78580320), (2, 39290160), (3, 26193440), (4, 19645080), (5, 15716064), (6, 13096720), (7, 11225760), (8, 9822540), (10, 7858032), (12, 6548360), (13, 6044640), (14, 5612880), (15, 5238688), (16, 4911270), (20, 3929016), (21, 3741920), (24, 3274180), (26, 3022320), (28, 2806440), (30, 2619344), (32, 2455635), (35, 2245152), (39, 2014880), (40, 1964508), (42, 1870960), (48, 1637090), (49, 1603680), (52, 1511160), (56, 1403220), (60, 1309672), (65, 1208928), (70, 1122576), (78, 1007440), (80, 982254), (84, 935480), (91, 863520), (96, 818545), (98, 801840), (104, 755580), (105, 748384), (112, 701610), (120, 654836), (130, 604464), (140, 561288), (147, 534560), (156, 503720), (160, 491127), (168, 467740), (182, 431760), (195, 402976), (196, 400920), (208, 377790), (210, 374192), (224, 350805), (240, 327418), (245, 320736), (257, 305760), (260, 302232), (273, 287840), (280, 280644), (294, 267280), (312, 251860), (336, 233870), (364, 215880), (390, 201488), (392, 200460), (416, 188895), (420, 187096), (455, 172704), (480, 163709), (490, 160368), (514, 152880), (520, 151116), (546, 143920), (560, 140322), (588, 133640), (624, 125930), (637, 123360), (672, 116935), (728, 107940), (735, 106912), (771, 101920), (780, 100744), (784, 100230), (840, 93548), (910, 86352), (980, 80184), (1028, 76440), (1040, 75558), (1092, 71960), (1120, 70161), (1176, 66820), (1248, 62965), (1274, 61680), (1285, 61152), (1365, 57568), (1456, 53970), (1470, 53456), (1542, 50960), (1560, 50372), (1568, 50115), (1680, 46774), (1799, 43680), (1820, 43176), (1911, 41120), (1960, 40092), (2056, 38220), (2080, 37779), (2184, 35980), (2352, 33410), (2548, 30840), (2570, 30576), (2730, 28784), (2912, 26985), (2940, 26728), (3084, 25480), (3120, 25186), (3185, 24672), (3341, 23520), (3360, 23387), (3598, 21840), (3640, 21588), (3822, 20560), (3855, 20384), (3920, 20046), (4112, 19110), (4368, 17990), (4704, 16705), (5096, 15420), (5140, 15288), (5397, 14560), (5460, 14392), (5880, 13364), (6168, 12740), (6240, 12593), (6370, 12336), (6682, 11760), (7196, 10920), (7280, 10794), (7644, 10280), (7710, 10192), (7840, 10023), (8224, 9555), (8736, 8995)]