71642240

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 185656320

約数和(自身を除く): 114014080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 157, 160, 184, 230, 248, 310, 314, 320, 368, 460, 496, 620, 628, 640, 713, 736, 785, 920, 992, 1240, 1256, 1426, 1472, 1570, 1840, 1984, 2480, 2512, 2852, 2944, 3140, 3565, 3611, 3680, 3968, 4867, 4960, 5024, 5704, 6280, 7130, 7222, 7360, 9734, 9920, 10048, 11408, 12560, 14260, 14444, 14720, 18055, 19468, 19840, 20096, 22816, 24335, 25120, 28520, 28888, 36110, 38936, 45632, 48670, 50240, 57040, 57776, 72220, 77872, 91264, 97340, 100480, 111941, 114080, 115552, 144440, 155744, 194680, 223882, 228160, 231104, 288880, 311488, 389360, 447764, 456320, 462208, 559705, 577760, 622976, 778720, 895528, 1119410, 1155520, 1557440, 1791056, 2238820, 2311040, 3114880, 3582112, 4477640, 7164224, 8955280, 14328448, 17910560, 35821120, 71642240]

約数ペア:

[(1, 71642240), (2, 35821120), (4, 17910560), (5, 14328448), (8, 8955280), (10, 7164224), (16, 4477640), (20, 3582112), (23, 3114880), (31, 2311040), (32, 2238820), (40, 1791056), (46, 1557440), (62, 1155520), (64, 1119410), (80, 895528), (92, 778720), (115, 622976), (124, 577760), (128, 559705), (155, 462208), (157, 456320), (160, 447764), (184, 389360), (230, 311488), (248, 288880), (310, 231104), (314, 228160), (320, 223882), (368, 194680), (460, 155744), (496, 144440), (620, 115552), (628, 114080), (640, 111941), (713, 100480), (736, 97340), (785, 91264), (920, 77872), (992, 72220), (1240, 57776), (1256, 57040), (1426, 50240), (1472, 48670), (1570, 45632), (1840, 38936), (1984, 36110), (2480, 28888), (2512, 28520), (2852, 25120), (2944, 24335), (3140, 22816), (3565, 20096), (3611, 19840), (3680, 19468), (3968, 18055), (4867, 14720), (4960, 14444), (5024, 14260), (5704, 12560), (6280, 11408), (7130, 10048), (7222, 9920), (7360, 9734)]