31445160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 68087640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 79, 93, 107, 120, 124, 155, 158, 186, 214, 237, 248, 310, 316, 321, 372, 395, 428, 465, 474, 535, 620, 632, 642, 744, 790, 856, 930, 948, 1070, 1185, 1240, 1284, 1580, 1605, 1860, 1896, 2140, 2370, 2449, 2568, 3160, 3210, 3317, 3720, 4280, 4740, 4898, 6420, 6634, 7347, 8453, 9480, 9796, 9951, 12245, 12840, 13268, 14694, 16585, 16906, 19592, 19902, 24490, 25359, 26536, 29388, 33170, 33812, 36735, 39804, 42265, 48980, 49755, 50718, 58776, 66340, 67624, 73470, 79608, 84530, 97960, 99510, 101436, 126795, 132680, 146940, 169060, 199020, 202872, 253590, 262043, 293880, 338120, 398040, 507180, 524086, 786129, 1014360, 1048172, 1310215, 1572258, 2096344, 2620430, 3144516, 3930645, 5240860, 6289032, 7861290, 10481720, 15722580, 31445160]

約数ペア:

[(1, 31445160), (2, 15722580), (3, 10481720), (4, 7861290), (5, 6289032), (6, 5240860), (8, 3930645), (10, 3144516), (12, 2620430), (15, 2096344), (20, 1572258), (24, 1310215), (30, 1048172), (31, 1014360), (40, 786129), (60, 524086), (62, 507180), (79, 398040), (93, 338120), (107, 293880), (120, 262043), (124, 253590), (155, 202872), (158, 199020), (186, 169060), (214, 146940), (237, 132680), (248, 126795), (310, 101436), (316, 99510), (321, 97960), (372, 84530), (395, 79608), (428, 73470), (465, 67624), (474, 66340), (535, 58776), (620, 50718), (632, 49755), (642, 48980), (744, 42265), (790, 39804), (856, 36735), (930, 33812), (948, 33170), (1070, 29388), (1185, 26536), (1240, 25359), (1284, 24490), (1580, 19902), (1605, 19592), (1860, 16906), (1896, 16585), (2140, 14694), (2370, 13268), (2449, 12840), (2568, 12245), (3160, 9951), (3210, 9796), (3317, 9480), (3720, 8453), (4280, 7347), (4740, 6634), (4898, 6420)]