25171650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 79155648

約数和(自身を除く): 53983998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 61, 63, 70, 75, 90, 105, 122, 126, 131, 150, 175, 183, 210, 225, 262, 305, 315, 350, 366, 393, 427, 450, 525, 549, 610, 630, 655, 786, 854, 915, 917, 1050, 1098, 1179, 1281, 1310, 1525, 1575, 1830, 1834, 1965, 2135, 2358, 2562, 2745, 2751, 3050, 3150, 3275, 3843, 3930, 4270, 4575, 4585, 5490, 5502, 5895, 6405, 6550, 7686, 7991, 8253, 9150, 9170, 9825, 10675, 11790, 12810, 13725, 13755, 15982, 16506, 19215, 19650, 21350, 22925, 23973, 27450, 27510, 29475, 32025, 38430, 39955, 41265, 45850, 47946, 55937, 58950, 64050, 68775, 71919, 79910, 82530, 96075, 111874, 119865, 137550, 143838, 167811, 192150, 199775, 206325, 239730, 279685, 335622, 359595, 399550, 412650, 503433, 559370, 599325, 719190, 839055, 1006866, 1198650, 1398425, 1678110, 1797975, 2517165, 2796850, 3595950, 4195275, 5034330, 8390550, 12585825, 25171650]

約数ペア:

[(1, 25171650), (2, 12585825), (3, 8390550), (5, 5034330), (6, 4195275), (7, 3595950), (9, 2796850), (10, 2517165), (14, 1797975), (15, 1678110), (18, 1398425), (21, 1198650), (25, 1006866), (30, 839055), (35, 719190), (42, 599325), (45, 559370), (50, 503433), (61, 412650), (63, 399550), (70, 359595), (75, 335622), (90, 279685), (105, 239730), (122, 206325), (126, 199775), (131, 192150), (150, 167811), (175, 143838), (183, 137550), (210, 119865), (225, 111874), (262, 96075), (305, 82530), (315, 79910), (350, 71919), (366, 68775), (393, 64050), (427, 58950), (450, 55937), (525, 47946), (549, 45850), (610, 41265), (630, 39955), (655, 38430), (786, 32025), (854, 29475), (915, 27510), (917, 27450), (1050, 23973), (1098, 22925), (1179, 21350), (1281, 19650), (1310, 19215), (1525, 16506), (1575, 15982), (1830, 13755), (1834, 13725), (1965, 12810), (2135, 11790), (2358, 10675), (2562, 9825), (2745, 9170), (2751, 9150), (3050, 8253), (3150, 7991), (3275, 7686), (3843, 6550), (3930, 6405), (4270, 5895), (4575, 5502), (4585, 5490)]