305831120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 853278720

約数和(自身を除く): 547447600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 217, 223, 248, 280, 310, 316, 395, 434, 446, 496, 553, 560, 620, 632, 790, 868, 892, 1085, 1106, 1115, 1240, 1264, 1561, 1580, 1736, 1784, 2170, 2212, 2230, 2449, 2480, 2765, 3122, 3160, 3472, 3568, 4340, 4424, 4460, 4898, 5530, 6244, 6320, 6913, 7805, 8680, 8848, 8920, 9796, 11060, 12245, 12488, 13826, 15610, 17143, 17360, 17617, 17840, 19592, 22120, 24490, 24976, 27652, 31220, 34286, 34565, 35234, 39184, 44240, 48391, 48980, 55304, 62440, 68572, 69130, 70468, 85715, 88085, 96782, 97960, 110608, 123319, 124880, 137144, 138260, 140936, 171430, 176170, 193564, 195920, 241955, 246638, 274288, 276520, 281872, 342860, 352340, 387128, 483910, 493276, 546127, 553040, 616595, 685720, 704680, 774256, 967820, 986552, 1092254, 1233190, 1371440, 1409360, 1935640, 1973104, 2184508, 2466380, 2730635, 3822889, 3871280, 4369016, 4932760, 5461270, 7645778, 8738032, 9865520, 10922540, 15291556, 19114445, 21845080, 30583112, 38228890, 43690160, 61166224, 76457780, 152915560, 305831120]

約数ペア:

[(1, 305831120), (2, 152915560), (4, 76457780), (5, 61166224), (7, 43690160), (8, 38228890), (10, 30583112), (14, 21845080), (16, 19114445), (20, 15291556), (28, 10922540), (31, 9865520), (35, 8738032), (40, 7645778), (56, 5461270), (62, 4932760), (70, 4369016), (79, 3871280), (80, 3822889), (112, 2730635), (124, 2466380), (140, 2184508), (155, 1973104), (158, 1935640), (217, 1409360), (223, 1371440), (248, 1233190), (280, 1092254), (310, 986552), (316, 967820), (395, 774256), (434, 704680), (446, 685720), (496, 616595), (553, 553040), (560, 546127), (620, 493276), (632, 483910), (790, 387128), (868, 352340), (892, 342860), (1085, 281872), (1106, 276520), (1115, 274288), (1240, 246638), (1264, 241955), (1561, 195920), (1580, 193564), (1736, 176170), (1784, 171430), (2170, 140936), (2212, 138260), (2230, 137144), (2449, 124880), (2480, 123319), (2765, 110608), (3122, 97960), (3160, 96782), (3472, 88085), (3568, 85715), (4340, 70468), (4424, 69130), (4460, 68572), (4898, 62440), (5530, 55304), (6244, 48980), (6320, 48391), (6913, 44240), (7805, 39184), (8680, 35234), (8848, 34565), (8920, 34286), (9796, 31220), (11060, 27652), (12245, 24976), (12488, 24490), (13826, 22120), (15610, 19592), (17143, 17840), (17360, 17617)]