2168981340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 6580224000

約数和(自身を除く): 4411242660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 79, 87, 93, 116, 124, 145, 155, 158, 174, 186, 237, 290, 310, 316, 348, 372, 395, 435, 465, 474, 509, 580, 620, 790, 870, 899, 930, 948, 1018, 1185, 1527, 1580, 1740, 1798, 1860, 2036, 2291, 2370, 2449, 2545, 2697, 3054, 3596, 4495, 4582, 4740, 4898, 5090, 5394, 6108, 6873, 7347, 7635, 8990, 9164, 9796, 10180, 10788, 11455, 12245, 13485, 13746, 14694, 14761, 15270, 15779, 17980, 22910, 24490, 26970, 27492, 29388, 29522, 30540, 31558, 34365, 36735, 40211, 44283, 45820, 47337, 48980, 53940, 59044, 63116, 68730, 71021, 73470, 73805, 78895, 80422, 88566, 94674, 120633, 137460, 142042, 146940, 147610, 157790, 160844, 177132, 189348, 201055, 213063, 221415, 236685, 241266, 284084, 295220, 315580, 355105, 402110, 426126, 442830, 457591, 473370, 482532, 603165, 710210, 804220, 852252, 885660, 915182, 946740, 1065315, 1166119, 1206330, 1246541, 1372773, 1420420, 1830364, 2130630, 2287955, 2332238, 2412660, 2493082, 2745546, 3498357, 3739623, 4261260, 4575910, 4664476, 4986164, 5491092, 5830595, 6232705, 6863865, 6996714, 7479246, 9151820, 11661190, 12465410, 13727730, 13993428, 14958492, 17491785, 18698115, 23322380, 24930820, 27455460, 34983570, 36149689, 37396230, 69967140, 72299378, 74792460, 108449067, 144598756, 180748445, 216898134, 361496890, 433796268, 542245335, 722993780, 1084490670, 2168981340]

約数ペア:

[(1, 2168981340), (2, 1084490670), (3, 722993780), (4, 542245335), (5, 433796268), (6, 361496890), (10, 216898134), (12, 180748445), (15, 144598756), (20, 108449067), (29, 74792460), (30, 72299378), (31, 69967140), (58, 37396230), (60, 36149689), (62, 34983570), (79, 27455460), (87, 24930820), (93, 23322380), (116, 18698115), (124, 17491785), (145, 14958492), (155, 13993428), (158, 13727730), (174, 12465410), (186, 11661190), (237, 9151820), (290, 7479246), (310, 6996714), (316, 6863865), (348, 6232705), (372, 5830595), (395, 5491092), (435, 4986164), (465, 4664476), (474, 4575910), (509, 4261260), (580, 3739623), (620, 3498357), (790, 2745546), (870, 2493082), (899, 2412660), (930, 2332238), (948, 2287955), (1018, 2130630), (1185, 1830364), (1527, 1420420), (1580, 1372773), (1740, 1246541), (1798, 1206330), (1860, 1166119), (2036, 1065315), (2291, 946740), (2370, 915182), (2449, 885660), (2545, 852252), (2697, 804220), (3054, 710210), (3596, 603165), (4495, 482532), (4582, 473370), (4740, 457591), (4898, 442830), (5090, 426126), (5394, 402110), (6108, 355105), (6873, 315580), (7347, 295220), (7635, 284084), (8990, 241266), (9164, 236685), (9796, 221415), (10180, 213063), (10788, 201055), (11455, 189348), (12245, 177132), (13485, 160844), (13746, 157790), (14694, 147610), (14761, 146940), (15270, 142042), (15779, 137460), (17980, 120633), (22910, 94674), (24490, 88566), (26970, 80422), (27492, 78895), (29388, 73805), (29522, 73470), (30540, 71021), (31558, 68730), (34365, 63116), (36735, 59044), (40211, 53940), (44283, 48980), (45820, 47337)]