491002560

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 280

約数和(自身を含む): 1840351920

約数和(自身を除く): 1349349360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 912, 960, 997, 1026, 1080, 1140, 1216, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1994, 2052, 2160, 2280, 2565, 2592, 2736, 2880, 2991, 3040, 3078, 3240, 3420, 3648, 3988, 4104, 4320, 4560, 4985, 5130, 5184, 5472, 5982, 6080, 6156, 6480, 6840, 7695, 7976, 8208, 8640, 8973, 9120, 9970, 10260, 10944, 11964, 12312, 12960, 13680, 14955, 15390, 15952, 16416, 17946, 18240, 18943, 19940, 20520, 23928, 24624, 25920, 26919, 27360, 29910, 30780, 31904, 32832, 35892, 37886, 39880, 41040, 44865, 47856, 49248, 53838, 54720, 56829, 59820, 61560, 63808, 71784, 75772, 79760, 80757, 82080, 89730, 94715, 95712, 98496, 107676, 113658, 119640, 123120, 134595, 143568, 151544, 159520, 161514, 164160, 170487, 179460, 189430, 191424, 215352, 227316, 239280, 246240, 269190, 284145, 287136, 303088, 319040, 323028, 340974, 358920, 378860, 403785, 430704, 454632, 478560, 492480, 511461, 538380, 568290, 574272, 606176, 646056, 681948, 717840, 757720, 807570, 852435, 861408, 909264, 957120, 1022922, 1076760, 1136580, 1212352, 1292112, 1363896, 1435680, 1515440, 1534383, 1615140, 1704870, 1722816, 1818528, 2045844, 2153520, 2273160, 2557305, 2584224, 2727792, 2871360, 3030880, 3068766, 3230280, 3409740, 3637056, 4091688, 4307040, 4546320, 5114610, 5168448, 5455584, 6061760, 6137532, 6460560, 6819480, 7671915, 8183376, 8614080, 9092640, 10229220, 10911168, 12275064, 12921120, 13638960, 15343830, 16366752, 18185280, 20458440, 24550128, 25842240, 27277920, 30687660, 32733504, 40916880, 49100256, 54555840, 61375320, 81833760, 98200512, 122750640, 163667520, 245501280, 491002560]

約数ペア:

[(1, 491002560), (2, 245501280), (3, 163667520), (4, 122750640), (5, 98200512), (6, 81833760), (8, 61375320), (9, 54555840), (10, 49100256), (12, 40916880), (15, 32733504), (16, 30687660), (18, 27277920), (19, 25842240), (20, 24550128), (24, 20458440), (27, 18185280), (30, 16366752), (32, 15343830), (36, 13638960), (38, 12921120), (40, 12275064), (45, 10911168), (48, 10229220), (54, 9092640), (57, 8614080), (60, 8183376), (64, 7671915), (72, 6819480), (76, 6460560), (80, 6137532), (81, 6061760), (90, 5455584), (95, 5168448), (96, 5114610), (108, 4546320), (114, 4307040), (120, 4091688), (135, 3637056), (144, 3409740), (152, 3230280), (160, 3068766), (162, 3030880), (171, 2871360), (180, 2727792), (190, 2584224), (192, 2557305), (216, 2273160), (228, 2153520), (240, 2045844), (270, 1818528), (285, 1722816), (288, 1704870), (304, 1615140), (320, 1534383), (324, 1515440), (342, 1435680), (360, 1363896), (380, 1292112), (405, 1212352), (432, 1136580), (456, 1076760), (480, 1022922), (513, 957120), (540, 909264), (570, 861408), (576, 852435), (608, 807570), (648, 757720), (684, 717840), (720, 681948), (760, 646056), (810, 606176), (855, 574272), (864, 568290), (912, 538380), (960, 511461), (997, 492480), (1026, 478560), (1080, 454632), (1140, 430704), (1216, 403785), (1296, 378860), (1368, 358920), (1440, 340974), (1520, 323028), (1539, 319040), (1620, 303088), (1710, 287136), (1728, 284145), (1824, 269190), (1994, 246240), (2052, 239280), (2160, 227316), (2280, 215352), (2565, 191424), (2592, 189430), (2736, 179460), (2880, 170487), (2991, 164160), (3040, 161514), (3078, 159520), (3240, 151544), (3420, 143568), (3648, 134595), (3988, 123120), (4104, 119640), (4320, 113658), (4560, 107676), (4985, 98496), (5130, 95712), (5184, 94715), (5472, 89730), (5982, 82080), (6080, 80757), (6156, 79760), (6480, 75772), (6840, 71784), (7695, 63808), (7976, 61560), (8208, 59820), (8640, 56829), (8973, 54720), (9120, 53838), (9970, 49248), (10260, 47856), (10944, 44865), (11964, 41040), (12312, 39880), (12960, 37886), (13680, 35892), (14955, 32832), (15390, 31904), (15952, 30780), (16416, 29910), (17946, 27360), (18240, 26919), (18943, 25920), (19940, 24624), (20520, 23928)]