30078440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 83980800

約数和(自身を除く): 53902360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 89, 119, 136, 140, 142, 170, 178, 238, 280, 284, 340, 355, 356, 445, 476, 497, 568, 595, 623, 680, 710, 712, 890, 952, 994, 1190, 1207, 1246, 1420, 1513, 1780, 1988, 2380, 2414, 2485, 2492, 2840, 3026, 3115, 3560, 3976, 4760, 4828, 4970, 4984, 6035, 6052, 6230, 6319, 7565, 8449, 9656, 9940, 10591, 12070, 12104, 12460, 12638, 15130, 16898, 19880, 21182, 24140, 24920, 25276, 30260, 31595, 33796, 42245, 42364, 44233, 48280, 50552, 52955, 60520, 63190, 67592, 84490, 84728, 88466, 105910, 107423, 126380, 168980, 176932, 211820, 214846, 221165, 252760, 337960, 353864, 423640, 429692, 442330, 537115, 751961, 859384, 884660, 1074230, 1503922, 1769320, 2148460, 3007844, 3759805, 4296920, 6015688, 7519610, 15039220, 30078440]

約数ペア:

[(1, 30078440), (2, 15039220), (4, 7519610), (5, 6015688), (7, 4296920), (8, 3759805), (10, 3007844), (14, 2148460), (17, 1769320), (20, 1503922), (28, 1074230), (34, 884660), (35, 859384), (40, 751961), (56, 537115), (68, 442330), (70, 429692), (71, 423640), (85, 353864), (89, 337960), (119, 252760), (136, 221165), (140, 214846), (142, 211820), (170, 176932), (178, 168980), (238, 126380), (280, 107423), (284, 105910), (340, 88466), (355, 84728), (356, 84490), (445, 67592), (476, 63190), (497, 60520), (568, 52955), (595, 50552), (623, 48280), (680, 44233), (710, 42364), (712, 42245), (890, 33796), (952, 31595), (994, 30260), (1190, 25276), (1207, 24920), (1246, 24140), (1420, 21182), (1513, 19880), (1780, 16898), (1988, 15130), (2380, 12638), (2414, 12460), (2485, 12104), (2492, 12070), (2840, 10591), (3026, 9940), (3115, 9656), (3560, 8449), (3976, 7565), (4760, 6319), (4828, 6230), (4970, 6052), (4984, 6035)]