68742450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 213944640

約数和(自身を除く): 145202190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 139, 150, 157, 175, 210, 225, 278, 314, 315, 350, 417, 450, 471, 525, 630, 695, 785, 834, 942, 973, 1050, 1099, 1251, 1390, 1413, 1570, 1575, 1946, 2085, 2198, 2355, 2502, 2826, 2919, 3150, 3297, 3475, 3925, 4170, 4710, 4865, 5495, 5838, 6255, 6594, 6950, 7065, 7850, 8757, 9730, 9891, 10425, 10990, 11775, 12510, 14130, 14595, 16485, 17514, 19782, 20850, 21823, 23550, 24325, 27475, 29190, 31275, 32970, 35325, 43646, 43785, 48650, 49455, 54950, 62550, 65469, 70650, 72975, 82425, 87570, 98910, 109115, 130938, 145950, 152761, 164850, 196407, 218230, 218925, 247275, 305522, 327345, 392814, 437850, 458283, 494550, 545575, 654690, 763805, 916566, 982035, 1091150, 1374849, 1527610, 1636725, 1964070, 2291415, 2749698, 3273450, 3819025, 4582830, 4910175, 6874245, 7638050, 9820350, 11457075, 13748490, 22914150, 34371225, 68742450]

約数ペア:

[(1, 68742450), (2, 34371225), (3, 22914150), (5, 13748490), (6, 11457075), (7, 9820350), (9, 7638050), (10, 6874245), (14, 4910175), (15, 4582830), (18, 3819025), (21, 3273450), (25, 2749698), (30, 2291415), (35, 1964070), (42, 1636725), (45, 1527610), (50, 1374849), (63, 1091150), (70, 982035), (75, 916566), (90, 763805), (105, 654690), (126, 545575), (139, 494550), (150, 458283), (157, 437850), (175, 392814), (210, 327345), (225, 305522), (278, 247275), (314, 218925), (315, 218230), (350, 196407), (417, 164850), (450, 152761), (471, 145950), (525, 130938), (630, 109115), (695, 98910), (785, 87570), (834, 82425), (942, 72975), (973, 70650), (1050, 65469), (1099, 62550), (1251, 54950), (1390, 49455), (1413, 48650), (1570, 43785), (1575, 43646), (1946, 35325), (2085, 32970), (2198, 31275), (2355, 29190), (2502, 27475), (2826, 24325), (2919, 23550), (3150, 21823), (3297, 20850), (3475, 19782), (3925, 17514), (4170, 16485), (4710, 14595), (4865, 14130), (5495, 12510), (5838, 11775), (6255, 10990), (6594, 10425), (6950, 9891), (7065, 9730), (7850, 8757)]