61467660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 120

約数和(自身を含む): 203076720

約数和(自身を除く): 141609060

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, 1026, 1140, 1539, 1620, 1710, 1997, 2052, 2565, 3078, 3420, 3994, 5130, 5991, 6156, 7695, 7988, 9985, 10260, 11982, 15390, 17973, 19970, 23964, 29955, 30780, 35946, 37943, 39940, 53919, 59910, 71892, 75886, 89865, 107838, 113829, 119820, 151772, 161757, 179730, 189715, 215676, 227658, 269595, 323514, 341487, 359460, 379430, 455316, 539190, 569145, 647028, 682974, 758860, 808785, 1024461, 1078380, 1138290, 1365948, 1617570, 1707435, 2048922, 2276580, 3073383, 3235140, 3414870, 4097844, 5122305, 6146766, 6829740, 10244610, 12293532, 15366915, 20489220, 30733830, 61467660]

約数ペア:

[(1, 61467660), (2, 30733830), (3, 20489220), (4, 15366915), (5, 12293532), (6, 10244610), (9, 6829740), (10, 6146766), (12, 5122305), (15, 4097844), (18, 3414870), (19, 3235140), (20, 3073383), (27, 2276580), (30, 2048922), (36, 1707435), (38, 1617570), (45, 1365948), (54, 1138290), (57, 1078380), (60, 1024461), (76, 808785), (81, 758860), (90, 682974), (95, 647028), (108, 569145), (114, 539190), (135, 455316), (162, 379430), (171, 359460), (180, 341487), (190, 323514), (228, 269595), (270, 227658), (285, 215676), (324, 189715), (342, 179730), (380, 161757), (405, 151772), (513, 119820), (540, 113829), (570, 107838), (684, 89865), (810, 75886), (855, 71892), (1026, 59910), (1140, 53919), (1539, 39940), (1620, 37943), (1710, 35946), (1997, 30780), (2052, 29955), (2565, 23964), (3078, 19970), (3420, 17973), (3994, 15390), (5130, 11982), (5991, 10260), (6156, 9985), (7695, 7988)]