129982720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 362033280

約数和(自身を除く): 232050560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 163, 178, 224, 256, 280, 320, 326, 356, 445, 448, 560, 623, 640, 652, 712, 815, 890, 896, 1120, 1141, 1246, 1280, 1304, 1424, 1630, 1780, 1792, 2240, 2282, 2492, 2608, 2848, 3115, 3260, 3560, 4480, 4564, 4984, 5216, 5696, 5705, 6230, 6520, 7120, 8960, 9128, 9968, 10432, 11392, 11410, 12460, 13040, 14240, 14507, 18256, 19936, 20864, 22784, 22820, 24920, 26080, 28480, 29014, 36512, 39872, 41728, 45640, 49840, 52160, 56960, 58028, 72535, 73024, 79744, 91280, 99680, 101549, 104320, 113920, 116056, 145070, 146048, 159488, 182560, 199360, 203098, 208640, 232112, 290140, 292096, 365120, 398720, 406196, 464224, 507745, 580280, 730240, 797440, 812392, 928448, 1015490, 1160560, 1460480, 1624784, 1856896, 2030980, 2321120, 3249568, 3713792, 4061960, 4642240, 6499136, 8123920, 9284480, 12998272, 16247840, 18568960, 25996544, 32495680, 64991360, 129982720]

約数ペア:

[(1, 129982720), (2, 64991360), (4, 32495680), (5, 25996544), (7, 18568960), (8, 16247840), (10, 12998272), (14, 9284480), (16, 8123920), (20, 6499136), (28, 4642240), (32, 4061960), (35, 3713792), (40, 3249568), (56, 2321120), (64, 2030980), (70, 1856896), (80, 1624784), (89, 1460480), (112, 1160560), (128, 1015490), (140, 928448), (160, 812392), (163, 797440), (178, 730240), (224, 580280), (256, 507745), (280, 464224), (320, 406196), (326, 398720), (356, 365120), (445, 292096), (448, 290140), (560, 232112), (623, 208640), (640, 203098), (652, 199360), (712, 182560), (815, 159488), (890, 146048), (896, 145070), (1120, 116056), (1141, 113920), (1246, 104320), (1280, 101549), (1304, 99680), (1424, 91280), (1630, 79744), (1780, 73024), (1792, 72535), (2240, 58028), (2282, 56960), (2492, 52160), (2608, 49840), (2848, 45640), (3115, 41728), (3260, 39872), (3560, 36512), (4480, 29014), (4564, 28480), (4984, 26080), (5216, 24920), (5696, 22820), (5705, 22784), (6230, 20864), (6520, 19936), (7120, 18256), (8960, 14507), (9128, 14240), (9968, 13040), (10432, 12460), (11392, 11410)]