25914420

素因数分解:

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

素因数の和:310

約数の個数: 144

約数和(自身を含む): 91099008

約数和(自身を除く): 65184588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 157, 180, 210, 252, 262, 314, 315, 393, 420, 471, 524, 628, 630, 655, 785, 786, 917, 942, 1099, 1179, 1260, 1310, 1413, 1570, 1572, 1834, 1884, 1965, 2198, 2355, 2358, 2620, 2751, 2826, 3140, 3297, 3668, 3930, 4396, 4585, 4710, 4716, 5495, 5502, 5652, 5895, 6594, 7065, 7860, 8253, 9170, 9420, 9891, 10990, 11004, 11790, 13188, 13755, 14130, 16485, 16506, 18340, 19782, 20567, 21980, 23580, 27510, 28260, 32970, 33012, 39564, 41134, 41265, 49455, 55020, 61701, 65940, 82268, 82530, 98910, 102835, 123402, 143969, 165060, 185103, 197820, 205670, 246804, 287938, 308505, 370206, 411340, 431907, 575876, 617010, 719845, 740412, 863814, 925515, 1234020, 1295721, 1439690, 1727628, 1851030, 2159535, 2591442, 2879380, 3702060, 4319070, 5182884, 6478605, 8638140, 12957210, 25914420]

約数ペア:

[(1, 25914420), (2, 12957210), (3, 8638140), (4, 6478605), (5, 5182884), (6, 4319070), (7, 3702060), (9, 2879380), (10, 2591442), (12, 2159535), (14, 1851030), (15, 1727628), (18, 1439690), (20, 1295721), (21, 1234020), (28, 925515), (30, 863814), (35, 740412), (36, 719845), (42, 617010), (45, 575876), (60, 431907), (63, 411340), (70, 370206), (84, 308505), (90, 287938), (105, 246804), (126, 205670), (131, 197820), (140, 185103), (157, 165060), (180, 143969), (210, 123402), (252, 102835), (262, 98910), (314, 82530), (315, 82268), (393, 65940), (420, 61701), (471, 55020), (524, 49455), (628, 41265), (630, 41134), (655, 39564), (785, 33012), (786, 32970), (917, 28260), (942, 27510), (1099, 23580), (1179, 21980), (1260, 20567), (1310, 19782), (1413, 18340), (1570, 16506), (1572, 16485), (1834, 14130), (1884, 13755), (1965, 13188), (2198, 11790), (2355, 11004), (2358, 10990), (2620, 9891), (2751, 9420), (2826, 9170), (3140, 8253), (3297, 7860), (3668, 7065), (3930, 6594), (4396, 5895), (4585, 5652), (4710, 5502), (4716, 5495)]