30718440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 160

約数和(自身を含む): 108900000

約数和(自身を除く): 78181560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 499, 513, 540, 570, 648, 684, 760, 810, 855, 998, 1026, 1080, 1140, 1368, 1497, 1539, 1620, 1710, 1996, 2052, 2280, 2495, 2565, 2994, 3078, 3240, 3420, 3992, 4104, 4491, 4990, 5130, 5988, 6156, 6840, 7485, 7695, 8982, 9481, 9980, 10260, 11976, 12312, 13473, 14970, 15390, 17964, 18962, 19960, 20520, 22455, 26946, 28443, 29940, 30780, 35928, 37924, 40419, 44910, 47405, 53892, 56886, 59880, 61560, 67365, 75848, 80838, 85329, 89820, 94810, 107784, 113772, 134730, 142215, 161676, 170658, 179640, 189620, 202095, 227544, 255987, 269460, 284430, 323352, 341316, 379240, 404190, 426645, 511974, 538920, 568860, 682632, 767961, 808380, 853290, 1023948, 1137720, 1279935, 1535922, 1616760, 1706580, 2047896, 2559870, 3071844, 3413160, 3839805, 5119740, 6143688, 7679610, 10239480, 15359220, 30718440]

約数ペア:

[(1, 30718440), (2, 15359220), (3, 10239480), (4, 7679610), (5, 6143688), (6, 5119740), (8, 3839805), (9, 3413160), (10, 3071844), (12, 2559870), (15, 2047896), (18, 1706580), (19, 1616760), (20, 1535922), (24, 1279935), (27, 1137720), (30, 1023948), (36, 853290), (38, 808380), (40, 767961), (45, 682632), (54, 568860), (57, 538920), (60, 511974), (72, 426645), (76, 404190), (81, 379240), (90, 341316), (95, 323352), (108, 284430), (114, 269460), (120, 255987), (135, 227544), (152, 202095), (162, 189620), (171, 179640), (180, 170658), (190, 161676), (216, 142215), (228, 134730), (270, 113772), (285, 107784), (324, 94810), (342, 89820), (360, 85329), (380, 80838), (405, 75848), (456, 67365), (499, 61560), (513, 59880), (540, 56886), (570, 53892), (648, 47405), (684, 44910), (760, 40419), (810, 37924), (855, 35928), (998, 30780), (1026, 29940), (1080, 28443), (1140, 26946), (1368, 22455), (1497, 20520), (1539, 19960), (1620, 18962), (1710, 17964), (1996, 15390), (2052, 14970), (2280, 13473), (2495, 12312), (2565, 11976), (2994, 10260), (3078, 9980), (3240, 9481), (3420, 8982), (3992, 7695), (4104, 7485), (4491, 6840), (4990, 6156), (5130, 5988)]