51090450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 131124048

約数和(自身を除く): 80033598

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 89, 129, 150, 178, 215, 258, 267, 430, 445, 534, 645, 890, 1075, 1290, 1335, 2150, 2225, 2670, 3225, 3827, 4450, 6450, 6675, 7654, 7921, 11481, 13350, 15842, 19135, 22962, 23763, 38270, 39605, 47526, 57405, 79210, 95675, 114810, 118815, 191350, 198025, 237630, 287025, 340603, 396050, 574050, 594075, 681206, 1021809, 1188150, 1703015, 2043618, 3406030, 5109045, 8515075, 10218090, 17030150, 25545225, 51090450]

約数ペア:

[(1, 51090450), (2, 25545225), (3, 17030150), (5, 10218090), (6, 8515075), (10, 5109045), (15, 3406030), (25, 2043618), (30, 1703015), (43, 1188150), (50, 1021809), (75, 681206), (86, 594075), (89, 574050), (129, 396050), (150, 340603), (178, 287025), (215, 237630), (258, 198025), (267, 191350), (430, 118815), (445, 114810), (534, 95675), (645, 79210), (890, 57405), (1075, 47526), (1290, 39605), (1335, 38270), (2150, 23763), (2225, 22962), (2670, 19135), (3225, 15842), (3827, 13350), (4450, 11481), (6450, 7921), (6675, 7654)]