138938880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 160

約数和(自身を含む): 451756800

約数和(自身を除く): 312817920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 229, 237, 240, 256, 316, 320, 384, 395, 458, 474, 480, 512, 632, 640, 687, 768, 790, 916, 948, 960, 1145, 1185, 1264, 1280, 1374, 1536, 1580, 1832, 1896, 1920, 2290, 2370, 2528, 2560, 2748, 3160, 3435, 3664, 3792, 3840, 4580, 4740, 5056, 5496, 6320, 6870, 7328, 7584, 7680, 9160, 9480, 10112, 10992, 12640, 13740, 14656, 15168, 18091, 18320, 18960, 20224, 21984, 25280, 27480, 29312, 30336, 36182, 36640, 37920, 40448, 43968, 50560, 54273, 54960, 58624, 60672, 72364, 73280, 75840, 87936, 90455, 101120, 108546, 109920, 117248, 121344, 144728, 146560, 151680, 175872, 180910, 202240, 217092, 219840, 271365, 289456, 293120, 303360, 351744, 361820, 434184, 439680, 542730, 578912, 586240, 606720, 723640, 868368, 879360, 1085460, 1157824, 1447280, 1736736, 1758720, 2170920, 2315648, 2894560, 3473472, 4341840, 4631296, 5789120, 6946944, 8683680, 9262592, 11578240, 13893888, 17367360, 23156480, 27787776, 34734720, 46312960, 69469440, 138938880]

約数ペア:

[(1, 138938880), (2, 69469440), (3, 46312960), (4, 34734720), (5, 27787776), (6, 23156480), (8, 17367360), (10, 13893888), (12, 11578240), (15, 9262592), (16, 8683680), (20, 6946944), (24, 5789120), (30, 4631296), (32, 4341840), (40, 3473472), (48, 2894560), (60, 2315648), (64, 2170920), (79, 1758720), (80, 1736736), (96, 1447280), (120, 1157824), (128, 1085460), (158, 879360), (160, 868368), (192, 723640), (229, 606720), (237, 586240), (240, 578912), (256, 542730), (316, 439680), (320, 434184), (384, 361820), (395, 351744), (458, 303360), (474, 293120), (480, 289456), (512, 271365), (632, 219840), (640, 217092), (687, 202240), (768, 180910), (790, 175872), (916, 151680), (948, 146560), (960, 144728), (1145, 121344), (1185, 117248), (1264, 109920), (1280, 108546), (1374, 101120), (1536, 90455), (1580, 87936), (1832, 75840), (1896, 73280), (1920, 72364), (2290, 60672), (2370, 58624), (2528, 54960), (2560, 54273), (2748, 50560), (3160, 43968), (3435, 40448), (3664, 37920), (3792, 36640), (3840, 36182), (4580, 30336), (4740, 29312), (5056, 27480), (5496, 25280), (6320, 21984), (6870, 20224), (7328, 18960), (7584, 18320), (7680, 18091), (9160, 15168), (9480, 14656), (10112, 13740), (10992, 12640)]