72400830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1889

約数の個数: 64

約数和(自身を含む): 185587200

約数和(自身を除く): 113186370

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 426, 570, 710, 1065, 1349, 1789, 2130, 2698, 3578, 4047, 5367, 6745, 8094, 8945, 10734, 13490, 17890, 20235, 26835, 33991, 40470, 53670, 67982, 101973, 127019, 169955, 203946, 254038, 339910, 381057, 509865, 635095, 762114, 1019730, 1270190, 1905285, 2413361, 3810570, 4826722, 7240083, 12066805, 14480166, 24133610, 36200415, 72400830]

約数ペア:

[(1, 72400830), (2, 36200415), (3, 24133610), (5, 14480166), (6, 12066805), (10, 7240083), (15, 4826722), (19, 3810570), (30, 2413361), (38, 1905285), (57, 1270190), (71, 1019730), (95, 762114), (114, 635095), (142, 509865), (190, 381057), (213, 339910), (285, 254038), (355, 203946), (426, 169955), (570, 127019), (710, 101973), (1065, 67982), (1349, 53670), (1789, 40470), (2130, 33991), (2698, 26835), (3578, 20235), (4047, 17890), (5367, 13490), (6745, 10734), (8094, 8945)]