30687660

素因数分解:

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

素因数の和:1037

約数の個数: 120

約数和(自身を含む): 101436720

約数和(自身を除く): 70749060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 997, 1026, 1140, 1539, 1620, 1710, 1994, 2052, 2565, 2991, 3078, 3420, 3988, 4985, 5130, 5982, 6156, 7695, 8973, 9970, 10260, 11964, 14955, 15390, 17946, 18943, 19940, 26919, 29910, 30780, 35892, 37886, 44865, 53838, 56829, 59820, 75772, 80757, 89730, 94715, 107676, 113658, 134595, 161514, 170487, 179460, 189430, 227316, 269190, 284145, 323028, 340974, 378860, 403785, 511461, 538380, 568290, 681948, 807570, 852435, 1022922, 1136580, 1534383, 1615140, 1704870, 2045844, 2557305, 3068766, 3409740, 5114610, 6137532, 7671915, 10229220, 15343830, 30687660]

約数ペア:

[(1, 30687660), (2, 15343830), (3, 10229220), (4, 7671915), (5, 6137532), (6, 5114610), (9, 3409740), (10, 3068766), (12, 2557305), (15, 2045844), (18, 1704870), (19, 1615140), (20, 1534383), (27, 1136580), (30, 1022922), (36, 852435), (38, 807570), (45, 681948), (54, 568290), (57, 538380), (60, 511461), (76, 403785), (81, 378860), (90, 340974), (95, 323028), (108, 284145), (114, 269190), (135, 227316), (162, 189430), (171, 179460), (180, 170487), (190, 161514), (228, 134595), (270, 113658), (285, 107676), (324, 94715), (342, 89730), (380, 80757), (405, 75772), (513, 59820), (540, 56829), (570, 53838), (684, 44865), (810, 37886), (855, 35892), (997, 30780), (1026, 29910), (1140, 26919), (1539, 19940), (1620, 18943), (1710, 17946), (1994, 15390), (2052, 14955), (2565, 11964), (2991, 10260), (3078, 9970), (3420, 8973), (3988, 7695), (4985, 6156), (5130, 5982)]