64991360

素因数分解:

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

素因数の和:278

約数の個数: 128

約数和(自身を含む): 180662400

約数和(自身を除く): 115671040

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, 280, 320, 326, 356, 445, 448, 560, 623, 640, 652, 712, 815, 890, 896, 1120, 1141, 1246, 1304, 1424, 1630, 1780, 2240, 2282, 2492, 2608, 2848, 3115, 3260, 3560, 4480, 4564, 4984, 5216, 5696, 5705, 6230, 6520, 7120, 9128, 9968, 10432, 11392, 11410, 12460, 13040, 14240, 14507, 18256, 19936, 20864, 22820, 24920, 26080, 28480, 29014, 36512, 39872, 45640, 49840, 52160, 56960, 58028, 72535, 73024, 79744, 91280, 99680, 101549, 104320, 116056, 145070, 146048, 182560, 199360, 203098, 232112, 290140, 365120, 398720, 406196, 464224, 507745, 580280, 730240, 812392, 928448, 1015490, 1160560, 1624784, 1856896, 2030980, 2321120, 3249568, 4061960, 4642240, 6499136, 8123920, 9284480, 12998272, 16247840, 32495680, 64991360]

約数ペア:

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