31457700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 103326720

約数和(自身を除く): 71869020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 61, 75, 90, 100, 108, 122, 135, 150, 180, 183, 191, 225, 244, 270, 300, 305, 366, 382, 450, 540, 549, 573, 610, 675, 732, 764, 900, 915, 955, 1098, 1146, 1220, 1350, 1525, 1647, 1719, 1830, 1910, 2196, 2292, 2700, 2745, 2865, 3050, 3294, 3438, 3660, 3820, 4575, 4775, 5157, 5490, 5730, 6100, 6588, 6876, 8235, 8595, 9150, 9550, 10314, 10980, 11460, 11651, 13725, 14325, 16470, 17190, 18300, 19100, 20628, 23302, 25785, 27450, 28650, 32940, 34380, 34953, 41175, 42975, 46604, 51570, 54900, 57300, 58255, 69906, 82350, 85950, 103140, 104859, 116510, 128925, 139812, 164700, 171900, 174765, 209718, 233020, 257850, 291275, 314577, 349530, 419436, 515700, 524295, 582550, 629154, 699060, 873825, 1048590, 1165100, 1258308, 1572885, 1747650, 2097180, 2621475, 3145770, 3495300, 5242950, 6291540, 7864425, 10485900, 15728850, 31457700]

約数ペア:

[(1, 31457700), (2, 15728850), (3, 10485900), (4, 7864425), (5, 6291540), (6, 5242950), (9, 3495300), (10, 3145770), (12, 2621475), (15, 2097180), (18, 1747650), (20, 1572885), (25, 1258308), (27, 1165100), (30, 1048590), (36, 873825), (45, 699060), (50, 629154), (54, 582550), (60, 524295), (61, 515700), (75, 419436), (90, 349530), (100, 314577), (108, 291275), (122, 257850), (135, 233020), (150, 209718), (180, 174765), (183, 171900), (191, 164700), (225, 139812), (244, 128925), (270, 116510), (300, 104859), (305, 103140), (366, 85950), (382, 82350), (450, 69906), (540, 58255), (549, 57300), (573, 54900), (610, 51570), (675, 46604), (732, 42975), (764, 41175), (900, 34953), (915, 34380), (955, 32940), (1098, 28650), (1146, 27450), (1220, 25785), (1350, 23302), (1525, 20628), (1647, 19100), (1719, 18300), (1830, 17190), (1910, 16470), (2196, 14325), (2292, 13725), (2700, 11651), (2745, 11460), (2865, 10980), (3050, 10314), (3294, 9550), (3438, 9150), (3660, 8595), (3820, 8235), (4575, 6876), (4775, 6588), (5157, 6100), (5490, 5730)]