72178245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 141523200

約数和(自身を除く): 69344955

約数列:

[1, 3, 5, 9, 15, 19, 29, 41, 45, 57, 71, 87, 95, 123, 145, 171, 205, 213, 261, 285, 355, 369, 435, 551, 615, 639, 779, 855, 1065, 1189, 1305, 1349, 1653, 1845, 2059, 2337, 2755, 2911, 3195, 3567, 3895, 4047, 4959, 5945, 6177, 6745, 7011, 8265, 8733, 10295, 10701, 11685, 12141, 14555, 17835, 18531, 20235, 22591, 24795, 26199, 30885, 35055, 39121, 43665, 53505, 55309, 60705, 67773, 84419, 92655, 112955, 117363, 130995, 165927, 195605, 203319, 253257, 276545, 338865, 352089, 422095, 497781, 586815, 759771, 829635, 1016595, 1266285, 1603961, 1760445, 2488905, 3798855, 4811883, 8019805, 14435649, 24059415, 72178245]

約数ペア:

[(1, 72178245), (3, 24059415), (5, 14435649), (9, 8019805), (15, 4811883), (19, 3798855), (29, 2488905), (41, 1760445), (45, 1603961), (57, 1266285), (71, 1016595), (87, 829635), (95, 759771), (123, 586815), (145, 497781), (171, 422095), (205, 352089), (213, 338865), (261, 276545), (285, 253257), (355, 203319), (369, 195605), (435, 165927), (551, 130995), (615, 117363), (639, 112955), (779, 92655), (855, 84419), (1065, 67773), (1189, 60705), (1305, 55309), (1349, 53505), (1653, 43665), (1845, 39121), (2059, 35055), (2337, 30885), (2755, 26199), (2911, 24795), (3195, 22591), (3567, 20235), (3895, 18531), (4047, 17835), (4959, 14555), (5945, 12141), (6177, 11685), (6745, 10701), (7011, 10295), (8265, 8733)]