51387660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4261}}^1$

素因数の和:4343

約数の個数: 72

約数和(自身を含む): 158239536

約数和(自身を除く): 106851876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 4261, 6030, 8522, 12060, 12783, 17044, 21305, 25566, 38349, 42610, 51132, 63915, 76698, 85220, 127830, 153396, 191745, 255660, 285487, 383490, 570974, 766980, 856461, 1141948, 1427435, 1712922, 2569383, 2854870, 3425844, 4282305, 5138766, 5709740, 8564610, 10277532, 12846915, 17129220, 25693830, 51387660]

約数ペア:

[(1, 51387660), (2, 25693830), (3, 17129220), (4, 12846915), (5, 10277532), (6, 8564610), (9, 5709740), (10, 5138766), (12, 4282305), (15, 3425844), (18, 2854870), (20, 2569383), (30, 1712922), (36, 1427435), (45, 1141948), (60, 856461), (67, 766980), (90, 570974), (134, 383490), (180, 285487), (201, 255660), (268, 191745), (335, 153396), (402, 127830), (603, 85220), (670, 76698), (804, 63915), (1005, 51132), (1206, 42610), (1340, 38349), (2010, 25566), (2412, 21305), (3015, 17044), (4020, 12783), (4261, 12060), (6030, 8522)]