25415160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 81907200

約数和(自身を除く): 56492040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 157, 190, 213, 228, 284, 285, 314, 355, 380, 426, 456, 471, 568, 570, 628, 710, 760, 785, 852, 942, 1065, 1140, 1256, 1349, 1420, 1570, 1704, 1884, 2130, 2280, 2355, 2698, 2840, 2983, 3140, 3768, 4047, 4260, 4710, 5396, 5966, 6280, 6745, 8094, 8520, 8949, 9420, 10792, 11147, 11932, 13490, 14915, 16188, 17898, 18840, 20235, 22294, 23864, 26980, 29830, 32376, 33441, 35796, 40470, 44588, 44745, 53960, 55735, 59660, 66882, 71592, 80940, 89176, 89490, 111470, 119320, 133764, 161880, 167205, 178980, 211793, 222940, 267528, 334410, 357960, 423586, 445880, 635379, 668820, 847172, 1058965, 1270758, 1337640, 1694344, 2117930, 2541516, 3176895, 4235860, 5083032, 6353790, 8471720, 12707580, 25415160]

約数ペア:

[(1, 25415160), (2, 12707580), (3, 8471720), (4, 6353790), (5, 5083032), (6, 4235860), (8, 3176895), (10, 2541516), (12, 2117930), (15, 1694344), (19, 1337640), (20, 1270758), (24, 1058965), (30, 847172), (38, 668820), (40, 635379), (57, 445880), (60, 423586), (71, 357960), (76, 334410), (95, 267528), (114, 222940), (120, 211793), (142, 178980), (152, 167205), (157, 161880), (190, 133764), (213, 119320), (228, 111470), (284, 89490), (285, 89176), (314, 80940), (355, 71592), (380, 66882), (426, 59660), (456, 55735), (471, 53960), (568, 44745), (570, 44588), (628, 40470), (710, 35796), (760, 33441), (785, 32376), (852, 29830), (942, 26980), (1065, 23864), (1140, 22294), (1256, 20235), (1349, 18840), (1420, 17898), (1570, 16188), (1704, 14915), (1884, 13490), (2130, 11932), (2280, 11147), (2355, 10792), (2698, 9420), (2840, 8949), (2983, 8520), (3140, 8094), (3768, 6745), (4047, 6280), (4260, 5966), (4710, 5396)]