39158520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 123171840

約数和(自身を除く): 84013320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 53, 60, 94, 106, 120, 131, 141, 159, 188, 212, 235, 262, 265, 282, 318, 376, 393, 424, 470, 524, 530, 564, 636, 655, 705, 786, 795, 940, 1048, 1060, 1128, 1272, 1310, 1410, 1572, 1590, 1880, 1965, 2120, 2491, 2620, 2820, 3144, 3180, 3930, 4982, 5240, 5640, 6157, 6360, 6943, 7473, 7860, 9964, 12314, 12455, 13886, 14946, 15720, 18471, 19928, 20829, 24628, 24910, 27772, 29892, 30785, 34715, 36942, 37365, 41658, 49256, 49820, 55544, 59784, 61570, 69430, 73884, 74730, 83316, 92355, 99640, 104145, 123140, 138860, 147768, 149460, 166632, 184710, 208290, 246280, 277720, 298920, 326321, 369420, 416580, 652642, 738840, 833160, 978963, 1305284, 1631605, 1957926, 2610568, 3263210, 3915852, 4894815, 6526420, 7831704, 9789630, 13052840, 19579260, 39158520]

約数ペア:

[(1, 39158520), (2, 19579260), (3, 13052840), (4, 9789630), (5, 7831704), (6, 6526420), (8, 4894815), (10, 3915852), (12, 3263210), (15, 2610568), (20, 1957926), (24, 1631605), (30, 1305284), (40, 978963), (47, 833160), (53, 738840), (60, 652642), (94, 416580), (106, 369420), (120, 326321), (131, 298920), (141, 277720), (159, 246280), (188, 208290), (212, 184710), (235, 166632), (262, 149460), (265, 147768), (282, 138860), (318, 123140), (376, 104145), (393, 99640), (424, 92355), (470, 83316), (524, 74730), (530, 73884), (564, 69430), (636, 61570), (655, 59784), (705, 55544), (786, 49820), (795, 49256), (940, 41658), (1048, 37365), (1060, 36942), (1128, 34715), (1272, 30785), (1310, 29892), (1410, 27772), (1572, 24910), (1590, 24628), (1880, 20829), (1965, 19928), (2120, 18471), (2491, 15720), (2620, 14946), (2820, 13886), (3144, 12455), (3180, 12314), (3930, 9964), (4982, 7860), (5240, 7473), (5640, 6943), (6157, 6360)]