78640980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 261854208

約数和(自身を除く): 183213228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 43, 44, 51, 55, 60, 66, 68, 85, 86, 102, 110, 129, 132, 163, 165, 170, 172, 187, 204, 215, 220, 255, 258, 326, 330, 340, 374, 430, 473, 489, 510, 516, 561, 645, 652, 660, 731, 748, 815, 860, 935, 946, 978, 1020, 1122, 1290, 1419, 1462, 1630, 1793, 1870, 1892, 1956, 2193, 2244, 2365, 2445, 2580, 2771, 2805, 2838, 2924, 3260, 3586, 3655, 3740, 4386, 4730, 4890, 5379, 5542, 5610, 5676, 7009, 7095, 7172, 7310, 8041, 8313, 8772, 8965, 9460, 9780, 10758, 10965, 11084, 11220, 13855, 14018, 14190, 14620, 16082, 16626, 17930, 21027, 21516, 21930, 24123, 26895, 27710, 28036, 28380, 30481, 32164, 33252, 35045, 35860, 40205, 41565, 42054, 43860, 48246, 53790, 55420, 60962, 70090, 77099, 80410, 83130, 84108, 91443, 96492, 105135, 107580, 119153, 120615, 121924, 140180, 152405, 154198, 160820, 166260, 182886, 210270, 231297, 238306, 241230, 304810, 308396, 357459, 365772, 385495, 420540, 457215, 462594, 476612, 482460, 595765, 609620, 714918, 770990, 914430, 925188, 1156485, 1191530, 1310683, 1429836, 1541980, 1787295, 1828860, 2312970, 2383060, 2621366, 3574590, 3932049, 4625940, 5242732, 6553415, 7149180, 7864098, 13106830, 15728196, 19660245, 26213660, 39320490, 78640980]

約数ペア:

[(1, 78640980), (2, 39320490), (3, 26213660), (4, 19660245), (5, 15728196), (6, 13106830), (10, 7864098), (11, 7149180), (12, 6553415), (15, 5242732), (17, 4625940), (20, 3932049), (22, 3574590), (30, 2621366), (33, 2383060), (34, 2312970), (43, 1828860), (44, 1787295), (51, 1541980), (55, 1429836), (60, 1310683), (66, 1191530), (68, 1156485), (85, 925188), (86, 914430), (102, 770990), (110, 714918), (129, 609620), (132, 595765), (163, 482460), (165, 476612), (170, 462594), (172, 457215), (187, 420540), (204, 385495), (215, 365772), (220, 357459), (255, 308396), (258, 304810), (326, 241230), (330, 238306), (340, 231297), (374, 210270), (430, 182886), (473, 166260), (489, 160820), (510, 154198), (516, 152405), (561, 140180), (645, 121924), (652, 120615), (660, 119153), (731, 107580), (748, 105135), (815, 96492), (860, 91443), (935, 84108), (946, 83130), (978, 80410), (1020, 77099), (1122, 70090), (1290, 60962), (1419, 55420), (1462, 53790), (1630, 48246), (1793, 43860), (1870, 42054), (1892, 41565), (1956, 40205), (2193, 35860), (2244, 35045), (2365, 33252), (2445, 32164), (2580, 30481), (2771, 28380), (2805, 28036), (2838, 27710), (2924, 26895), (3260, 24123), (3586, 21930), (3655, 21516), (3740, 21027), (4386, 17930), (4730, 16626), (4890, 16082), (5379, 14620), (5542, 14190), (5610, 14018), (5676, 13855), (7009, 11220), (7095, 11084), (7172, 10965), (7310, 10758), (8041, 9780), (8313, 9460), (8772, 8965)]