74939220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1583}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 228324096

約数和(自身を除く): 153384876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 1583, 2367, 2630, 3156, 3166, 3945, 4734, 4749, 5260, 6332, 7890, 7915, 9468, 9498, 11835, 14247, 15780, 15830, 18996, 23670, 23745, 28494, 31660, 47340, 47490, 56988, 71235, 94980, 142470, 284940, 416329, 832658, 1248987, 1665316, 2081645, 2497974, 3746961, 4163290, 4995948, 6244935, 7493922, 8326580, 12489870, 14987844, 18734805, 24979740, 37469610, 74939220]

約数ペア:

[(1, 74939220), (2, 37469610), (3, 24979740), (4, 18734805), (5, 14987844), (6, 12489870), (9, 8326580), (10, 7493922), (12, 6244935), (15, 4995948), (18, 4163290), (20, 3746961), (30, 2497974), (36, 2081645), (45, 1665316), (60, 1248987), (90, 832658), (180, 416329), (263, 284940), (526, 142470), (789, 94980), (1052, 71235), (1315, 56988), (1578, 47490), (1583, 47340), (2367, 31660), (2630, 28494), (3156, 23745), (3166, 23670), (3945, 18996), (4734, 15830), (4749, 15780), (5260, 14247), (6332, 11835), (7890, 9498), (7915, 9468)]