244907440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 643244544

約数和(自身を除く): 398337104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 37, 40, 62, 68, 74, 80, 85, 124, 136, 148, 155, 157, 170, 185, 248, 272, 296, 310, 314, 340, 370, 496, 527, 592, 620, 628, 629, 680, 740, 785, 1054, 1147, 1240, 1256, 1258, 1360, 1480, 1570, 2108, 2294, 2480, 2512, 2516, 2635, 2669, 2960, 3140, 3145, 4216, 4588, 4867, 5032, 5270, 5338, 5735, 5809, 6280, 6290, 8432, 9176, 9734, 10064, 10540, 10676, 11470, 11618, 12560, 12580, 13345, 18352, 19468, 19499, 21080, 21352, 22940, 23236, 24335, 25160, 26690, 29045, 38936, 38998, 42160, 42704, 45880, 46472, 48670, 50320, 53380, 58090, 77872, 77996, 82739, 91760, 92944, 97340, 97495, 98753, 106760, 116180, 155992, 165478, 180079, 194680, 194990, 197506, 213520, 232360, 311984, 330956, 360158, 389360, 389980, 395012, 413695, 464720, 493765, 661912, 720316, 779960, 790024, 827390, 900395, 987530, 1323824, 1440632, 1559920, 1580048, 1654780, 1800790, 1975060, 2881264, 3061343, 3309560, 3601580, 3950120, 6122686, 6619120, 7203160, 7900240, 12245372, 14406320, 15306715, 24490744, 30613430, 48981488, 61226860, 122453720, 244907440]

約数ペア:

[(1, 244907440), (2, 122453720), (4, 61226860), (5, 48981488), (8, 30613430), (10, 24490744), (16, 15306715), (17, 14406320), (20, 12245372), (31, 7900240), (34, 7203160), (37, 6619120), (40, 6122686), (62, 3950120), (68, 3601580), (74, 3309560), (80, 3061343), (85, 2881264), (124, 1975060), (136, 1800790), (148, 1654780), (155, 1580048), (157, 1559920), (170, 1440632), (185, 1323824), (248, 987530), (272, 900395), (296, 827390), (310, 790024), (314, 779960), (340, 720316), (370, 661912), (496, 493765), (527, 464720), (592, 413695), (620, 395012), (628, 389980), (629, 389360), (680, 360158), (740, 330956), (785, 311984), (1054, 232360), (1147, 213520), (1240, 197506), (1256, 194990), (1258, 194680), (1360, 180079), (1480, 165478), (1570, 155992), (2108, 116180), (2294, 106760), (2480, 98753), (2512, 97495), (2516, 97340), (2635, 92944), (2669, 91760), (2960, 82739), (3140, 77996), (3145, 77872), (4216, 58090), (4588, 53380), (4867, 50320), (5032, 48670), (5270, 46472), (5338, 45880), (5735, 42704), (5809, 42160), (6280, 38998), (6290, 38936), (8432, 29045), (9176, 26690), (9734, 25160), (10064, 24335), (10540, 23236), (10676, 22940), (11470, 21352), (11618, 21080), (12560, 19499), (12580, 19468), (13345, 18352)]