157779040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 431101440

約数和(自身を除く): 273322400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 43, 68, 71, 76, 80, 85, 86, 95, 136, 142, 152, 160, 170, 172, 190, 215, 272, 284, 304, 323, 340, 344, 355, 380, 430, 544, 568, 608, 646, 680, 688, 710, 731, 760, 817, 860, 1136, 1207, 1292, 1349, 1360, 1376, 1420, 1462, 1520, 1615, 1634, 1720, 2272, 2414, 2584, 2698, 2720, 2840, 2924, 3040, 3053, 3230, 3268, 3440, 3655, 4085, 4828, 5168, 5396, 5680, 5848, 6035, 6106, 6460, 6536, 6745, 6880, 7310, 8170, 9656, 10336, 10792, 11360, 11696, 12070, 12212, 12920, 13072, 13490, 13889, 14620, 15265, 16340, 19312, 21584, 22933, 23392, 24140, 24424, 25840, 26144, 26980, 27778, 29240, 30530, 32680, 38624, 43168, 45866, 48280, 48848, 51680, 51901, 53960, 55556, 58007, 58480, 61060, 65360, 69445, 91732, 96560, 97696, 103802, 107920, 111112, 114665, 116014, 116960, 122120, 130720, 138890, 183464, 193120, 207604, 215840, 222224, 229330, 232028, 244240, 259505, 277780, 290035, 366928, 415208, 444448, 458660, 464056, 488480, 519010, 555560, 580070, 733856, 830416, 917320, 928112, 986119, 1038020, 1111120, 1160140, 1660832, 1834640, 1856224, 1972238, 2076040, 2222240, 2320280, 3669280, 3944476, 4152080, 4640560, 4930595, 7888952, 8304160, 9281120, 9861190, 15777904, 19722380, 31555808, 39444760, 78889520, 157779040]

約数ペア:

[(1, 157779040), (2, 78889520), (4, 39444760), (5, 31555808), (8, 19722380), (10, 15777904), (16, 9861190), (17, 9281120), (19, 8304160), (20, 7888952), (32, 4930595), (34, 4640560), (38, 4152080), (40, 3944476), (43, 3669280), (68, 2320280), (71, 2222240), (76, 2076040), (80, 1972238), (85, 1856224), (86, 1834640), (95, 1660832), (136, 1160140), (142, 1111120), (152, 1038020), (160, 986119), (170, 928112), (172, 917320), (190, 830416), (215, 733856), (272, 580070), (284, 555560), (304, 519010), (323, 488480), (340, 464056), (344, 458660), (355, 444448), (380, 415208), (430, 366928), (544, 290035), (568, 277780), (608, 259505), (646, 244240), (680, 232028), (688, 229330), (710, 222224), (731, 215840), (760, 207604), (817, 193120), (860, 183464), (1136, 138890), (1207, 130720), (1292, 122120), (1349, 116960), (1360, 116014), (1376, 114665), (1420, 111112), (1462, 107920), (1520, 103802), (1615, 97696), (1634, 96560), (1720, 91732), (2272, 69445), (2414, 65360), (2584, 61060), (2698, 58480), (2720, 58007), (2840, 55556), (2924, 53960), (3040, 51901), (3053, 51680), (3230, 48848), (3268, 48280), (3440, 45866), (3655, 43168), (4085, 38624), (4828, 32680), (5168, 30530), (5396, 29240), (5680, 27778), (5848, 26980), (6035, 26144), (6106, 25840), (6460, 24424), (6536, 24140), (6745, 23392), (6880, 22933), (7310, 21584), (8170, 19312), (9656, 16340), (10336, 15265), (10792, 14620), (11360, 13889), (11696, 13490), (12070, 13072), (12212, 12920)]