2920201425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{4007}}^1$

素因数の和:4143

約数の個数: 72

約数和(自身を含む): 5427152640

約数和(自身を除く): 2506951215

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 79, 123, 205, 225, 237, 369, 395, 615, 711, 1025, 1185, 1845, 1975, 3075, 3239, 3555, 4007, 5925, 9225, 9717, 12021, 16195, 17775, 20035, 29151, 36063, 48585, 60105, 80975, 100175, 145755, 164287, 180315, 242925, 300525, 316553, 492861, 728775, 821435, 901575, 949659, 1478583, 1582765, 2464305, 2848977, 4107175, 4748295, 7392915, 7913825, 12321525, 12978673, 14244885, 23741475, 36964575, 38936019, 64893365, 71224425, 116808057, 194680095, 324466825, 584040285, 973400475, 2920201425]

約数ペア:

[(1, 2920201425), (3, 973400475), (5, 584040285), (9, 324466825), (15, 194680095), (25, 116808057), (41, 71224425), (45, 64893365), (75, 38936019), (79, 36964575), (123, 23741475), (205, 14244885), (225, 12978673), (237, 12321525), (369, 7913825), (395, 7392915), (615, 4748295), (711, 4107175), (1025, 2848977), (1185, 2464305), (1845, 1582765), (1975, 1478583), (3075, 949659), (3239, 901575), (3555, 821435), (4007, 728775), (5925, 492861), (9225, 316553), (9717, 300525), (12021, 242925), (16195, 180315), (17775, 164287), (20035, 145755), (29151, 100175), (36063, 80975), (48585, 60105)]