38871630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 120130560

約数和(自身を除く): 81258930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 131, 135, 157, 189, 210, 262, 270, 314, 315, 378, 393, 471, 630, 655, 785, 786, 917, 942, 945, 1099, 1179, 1310, 1413, 1570, 1834, 1890, 1965, 2198, 2355, 2358, 2751, 2826, 3297, 3537, 3930, 4239, 4585, 4710, 5495, 5502, 5895, 6594, 7065, 7074, 8253, 8478, 9170, 9891, 10990, 11790, 13755, 14130, 16485, 16506, 17685, 19782, 20567, 21195, 24759, 27510, 29673, 32970, 35370, 41134, 41265, 42390, 49455, 49518, 59346, 61701, 82530, 98910, 102835, 123402, 123795, 143969, 148365, 185103, 205670, 247590, 287938, 296730, 308505, 370206, 431907, 555309, 617010, 719845, 863814, 925515, 1110618, 1295721, 1439690, 1851030, 2159535, 2591442, 2776545, 3887163, 4319070, 5553090, 6478605, 7774326, 12957210, 19435815, 38871630]

約数ペア:

[(1, 38871630), (2, 19435815), (3, 12957210), (5, 7774326), (6, 6478605), (7, 5553090), (9, 4319070), (10, 3887163), (14, 2776545), (15, 2591442), (18, 2159535), (21, 1851030), (27, 1439690), (30, 1295721), (35, 1110618), (42, 925515), (45, 863814), (54, 719845), (63, 617010), (70, 555309), (90, 431907), (105, 370206), (126, 308505), (131, 296730), (135, 287938), (157, 247590), (189, 205670), (210, 185103), (262, 148365), (270, 143969), (314, 123795), (315, 123402), (378, 102835), (393, 98910), (471, 82530), (630, 61701), (655, 59346), (785, 49518), (786, 49455), (917, 42390), (942, 41265), (945, 41134), (1099, 35370), (1179, 32970), (1310, 29673), (1413, 27510), (1570, 24759), (1834, 21195), (1890, 20567), (1965, 19782), (2198, 17685), (2355, 16506), (2358, 16485), (2751, 14130), (2826, 13755), (3297, 11790), (3537, 10990), (3930, 9891), (4239, 9170), (4585, 8478), (4710, 8253), (5495, 7074), (5502, 7065), (5895, 6594)]