128392800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:961

約数の個数: 144

約数和(自身を含む): 425254032

約数和(自身を除く): 296861232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 150, 160, 183, 200, 240, 244, 300, 305, 366, 400, 480, 488, 600, 610, 732, 800, 877, 915, 976, 1200, 1220, 1464, 1525, 1754, 1830, 1952, 2400, 2440, 2631, 2928, 3050, 3508, 3660, 4385, 4575, 4880, 5262, 5856, 6100, 7016, 7320, 8770, 9150, 9760, 10524, 12200, 13155, 14032, 14640, 17540, 18300, 21048, 21925, 24400, 26310, 28064, 29280, 35080, 36600, 42096, 43850, 48800, 52620, 53497, 65775, 70160, 73200, 84192, 87700, 105240, 106994, 131550, 140320, 146400, 160491, 175400, 210480, 213988, 263100, 267485, 320982, 350800, 420960, 427976, 526200, 534970, 641964, 701600, 802455, 855952, 1052400, 1069940, 1283928, 1337425, 1604910, 1711904, 2104800, 2139880, 2567856, 2674850, 3209820, 4012275, 4279760, 5135712, 5349700, 6419640, 8024550, 8559520, 10699400, 12839280, 16049100, 21398800, 25678560, 32098200, 42797600, 64196400, 128392800]

約数ペア:

[(1, 128392800), (2, 64196400), (3, 42797600), (4, 32098200), (5, 25678560), (6, 21398800), (8, 16049100), (10, 12839280), (12, 10699400), (15, 8559520), (16, 8024550), (20, 6419640), (24, 5349700), (25, 5135712), (30, 4279760), (32, 4012275), (40, 3209820), (48, 2674850), (50, 2567856), (60, 2139880), (61, 2104800), (75, 1711904), (80, 1604910), (96, 1337425), (100, 1283928), (120, 1069940), (122, 1052400), (150, 855952), (160, 802455), (183, 701600), (200, 641964), (240, 534970), (244, 526200), (300, 427976), (305, 420960), (366, 350800), (400, 320982), (480, 267485), (488, 263100), (600, 213988), (610, 210480), (732, 175400), (800, 160491), (877, 146400), (915, 140320), (976, 131550), (1200, 106994), (1220, 105240), (1464, 87700), (1525, 84192), (1754, 73200), (1830, 70160), (1952, 65775), (2400, 53497), (2440, 52620), (2631, 48800), (2928, 43850), (3050, 42096), (3508, 36600), (3660, 35080), (4385, 29280), (4575, 28064), (4880, 26310), (5262, 24400), (5856, 21925), (6100, 21048), (7016, 18300), (7320, 17540), (8770, 14640), (9150, 14032), (9760, 13155), (10524, 12200)]