990495480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{17}}^2$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 3419599320

約数和(自身を除く): 2429103840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 221, 255, 260, 289, 312, 338, 340, 390, 408, 442, 507, 510, 520, 578, 663, 676, 680, 780, 845, 867, 884, 1014, 1020, 1105, 1156, 1326, 1352, 1445, 1560, 1690, 1734, 1768, 2028, 2040, 2197, 2210, 2312, 2535, 2652, 2873, 2890, 3315, 3380, 3468, 3757, 4056, 4335, 4394, 4420, 5070, 5304, 5746, 5780, 6591, 6630, 6760, 6936, 7514, 8619, 8670, 8788, 8840, 10140, 10985, 11271, 11492, 11560, 13182, 13260, 14365, 15028, 17238, 17340, 17576, 18785, 20280, 21970, 22542, 22984, 26364, 26520, 28561, 28730, 30056, 32955, 34476, 34680, 37349, 37570, 43095, 43940, 45084, 48841, 52728, 56355, 57122, 57460, 65910, 68952, 74698, 75140, 85683, 86190, 87880, 90168, 97682, 112047, 112710, 114244, 114920, 131820, 142805, 146523, 149396, 150280, 171366, 172380, 186745, 195364, 224094, 225420, 228488, 244205, 263640, 285610, 293046, 298792, 342732, 344760, 373490, 390728, 428415, 448188, 450840, 485537, 488410, 560235, 571220, 586092, 634933, 685464, 732615, 746980, 856830, 896376, 971074, 976820, 1120470, 1142440, 1172184, 1269866, 1456611, 1465230, 1493960, 1713660, 1904799, 1942148, 1953640, 2240940, 2427685, 2539732, 2913222, 2930460, 3174665, 3427320, 3809598, 3884296, 4481880, 4855370, 5079464, 5826444, 5860920, 6349330, 7283055, 7619196, 8254129, 9523995, 9710740, 11652888, 12698660, 14566110, 15238392, 16508258, 19047990, 19421480, 24762387, 25397320, 29132220, 33016516, 38095980, 41270645, 49524774, 58264440, 66033032, 76191960, 82541290, 99049548, 123811935, 165082580, 198099096, 247623870, 330165160, 495247740, 990495480]

約数ペア:

[(1, 990495480), (2, 495247740), (3, 330165160), (4, 247623870), (5, 198099096), (6, 165082580), (8, 123811935), (10, 99049548), (12, 82541290), (13, 76191960), (15, 66033032), (17, 58264440), (20, 49524774), (24, 41270645), (26, 38095980), (30, 33016516), (34, 29132220), (39, 25397320), (40, 24762387), (51, 19421480), (52, 19047990), (60, 16508258), (65, 15238392), (68, 14566110), (78, 12698660), (85, 11652888), (102, 9710740), (104, 9523995), (120, 8254129), (130, 7619196), (136, 7283055), (156, 6349330), (169, 5860920), (170, 5826444), (195, 5079464), (204, 4855370), (221, 4481880), (255, 3884296), (260, 3809598), (289, 3427320), (312, 3174665), (338, 2930460), (340, 2913222), (390, 2539732), (408, 2427685), (442, 2240940), (507, 1953640), (510, 1942148), (520, 1904799), (578, 1713660), (663, 1493960), (676, 1465230), (680, 1456611), (780, 1269866), (845, 1172184), (867, 1142440), (884, 1120470), (1014, 976820), (1020, 971074), (1105, 896376), (1156, 856830), (1326, 746980), (1352, 732615), (1445, 685464), (1560, 634933), (1690, 586092), (1734, 571220), (1768, 560235), (2028, 488410), (2040, 485537), (2197, 450840), (2210, 448188), (2312, 428415), (2535, 390728), (2652, 373490), (2873, 344760), (2890, 342732), (3315, 298792), (3380, 293046), (3468, 285610), (3757, 263640), (4056, 244205), (4335, 228488), (4394, 225420), (4420, 224094), (5070, 195364), (5304, 186745), (5746, 172380), (5780, 171366), (6591, 150280), (6630, 149396), (6760, 146523), (6936, 142805), (7514, 131820), (8619, 114920), (8670, 114244), (8788, 112710), (8840, 112047), (10140, 97682), (10985, 90168), (11271, 87880), (11492, 86190), (11560, 85683), (13182, 75140), (13260, 74698), (14365, 68952), (15028, 65910), (17238, 57460), (17340, 57122), (17576, 56355), (18785, 52728), (20280, 48841), (21970, 45084), (22542, 43940), (22984, 43095), (26364, 37570), (26520, 37349), (28561, 34680), (28730, 34476), (30056, 32955)]