129614720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 199396480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 139, 155, 160, 188, 235, 248, 278, 310, 320, 376, 470, 496, 556, 620, 640, 695, 752, 940, 992, 1112, 1240, 1390, 1457, 1504, 1880, 1984, 2224, 2480, 2780, 2914, 3008, 3760, 3968, 4309, 4448, 4960, 5560, 5828, 6016, 6533, 7285, 7520, 8618, 8896, 9920, 11120, 11656, 13066, 14570, 15040, 17236, 17792, 19840, 21545, 22240, 23312, 26132, 29140, 30080, 32665, 34472, 43090, 44480, 46624, 52264, 58280, 65330, 68944, 86180, 88960, 93248, 104528, 116560, 130660, 137888, 172360, 186496, 202523, 209056, 233120, 261320, 275776, 344720, 405046, 418112, 466240, 522640, 551552, 689440, 810092, 836224, 932480, 1012615, 1045280, 1378880, 1620184, 2025230, 2090560, 2757760, 3240368, 4050460, 4181120, 6480736, 8100920, 12961472, 16201840, 25922944, 32403680, 64807360, 129614720]

約数ペア:

[(1, 129614720), (2, 64807360), (4, 32403680), (5, 25922944), (8, 16201840), (10, 12961472), (16, 8100920), (20, 6480736), (31, 4181120), (32, 4050460), (40, 3240368), (47, 2757760), (62, 2090560), (64, 2025230), (80, 1620184), (94, 1378880), (124, 1045280), (128, 1012615), (139, 932480), (155, 836224), (160, 810092), (188, 689440), (235, 551552), (248, 522640), (278, 466240), (310, 418112), (320, 405046), (376, 344720), (470, 275776), (496, 261320), (556, 233120), (620, 209056), (640, 202523), (695, 186496), (752, 172360), (940, 137888), (992, 130660), (1112, 116560), (1240, 104528), (1390, 93248), (1457, 88960), (1504, 86180), (1880, 68944), (1984, 65330), (2224, 58280), (2480, 52264), (2780, 46624), (2914, 44480), (3008, 43090), (3760, 34472), (3968, 32665), (4309, 30080), (4448, 29140), (4960, 26132), (5560, 23312), (5828, 22240), (6016, 21545), (6533, 19840), (7285, 17792), (7520, 17236), (8618, 15040), (8896, 14570), (9920, 13066), (11120, 11656)]