388727640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51419}}^1$

素因数の和:51446

約数の個数: 128

約数和(自身を含む): 1480896000

約数和(自身を除く): 1092168360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51419, 102838, 154257, 205676, 257095, 308514, 359933, 411352, 462771, 514190, 617028, 719866, 771285, 925542, 1028380, 1079799, 1234056, 1388313, 1439732, 1542570, 1799665, 1851084, 2056760, 2159598, 2313855, 2776626, 2879464, 3085140, 3239397, 3599330, 3702168, 4319196, 4627710, 5398995, 5553252, 6170280, 6478794, 6941565, 7198660, 8638392, 9255420, 9718191, 10797990, 11106504, 12957588, 13883130, 14397320, 16196985, 18510840, 19436382, 21595980, 25915176, 27766260, 32393970, 38872764, 43191960, 48590955, 55532520, 64787940, 77745528, 97181910, 129575880, 194363820, 388727640]

約数ペア:

[(1, 388727640), (2, 194363820), (3, 129575880), (4, 97181910), (5, 77745528), (6, 64787940), (7, 55532520), (8, 48590955), (9, 43191960), (10, 38872764), (12, 32393970), (14, 27766260), (15, 25915176), (18, 21595980), (20, 19436382), (21, 18510840), (24, 16196985), (27, 14397320), (28, 13883130), (30, 12957588), (35, 11106504), (36, 10797990), (40, 9718191), (42, 9255420), (45, 8638392), (54, 7198660), (56, 6941565), (60, 6478794), (63, 6170280), (70, 5553252), (72, 5398995), (84, 4627710), (90, 4319196), (105, 3702168), (108, 3599330), (120, 3239397), (126, 3085140), (135, 2879464), (140, 2776626), (168, 2313855), (180, 2159598), (189, 2056760), (210, 1851084), (216, 1799665), (252, 1542570), (270, 1439732), (280, 1388313), (315, 1234056), (360, 1079799), (378, 1028380), (420, 925542), (504, 771285), (540, 719866), (630, 617028), (756, 514190), (840, 462771), (945, 411352), (1080, 359933), (1260, 308514), (1512, 257095), (1890, 205676), (2520, 154257), (3780, 102838), (7560, 51419)]