15747660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 48353760

約数和(自身を除く): 32606100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 983, 1068, 1335, 1602, 1780, 1966, 2670, 2949, 3204, 3932, 4005, 4915, 5340, 5898, 8010, 8847, 9830, 11796, 14745, 16020, 17694, 19660, 29490, 35388, 44235, 58980, 87487, 88470, 174974, 176940, 262461, 349948, 437435, 524922, 787383, 874870, 1049844, 1312305, 1574766, 1749740, 2624610, 3149532, 3936915, 5249220, 7873830, 15747660]

約数ペア:

[(1, 15747660), (2, 7873830), (3, 5249220), (4, 3936915), (5, 3149532), (6, 2624610), (9, 1749740), (10, 1574766), (12, 1312305), (15, 1049844), (18, 874870), (20, 787383), (30, 524922), (36, 437435), (45, 349948), (60, 262461), (89, 176940), (90, 174974), (178, 88470), (180, 87487), (267, 58980), (356, 44235), (445, 35388), (534, 29490), (801, 19660), (890, 17694), (983, 16020), (1068, 14745), (1335, 11796), (1602, 9830), (1780, 8847), (1966, 8010), (2670, 5898), (2949, 5340), (3204, 4915), (3932, 4005)]