80978820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 268240896

約数和(自身を除く): 187262076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 31, 34, 39, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 124, 130, 155, 156, 170, 186, 195, 197, 204, 221, 255, 260, 310, 340, 372, 390, 394, 403, 442, 465, 510, 527, 591, 620, 663, 780, 788, 806, 884, 930, 985, 1020, 1054, 1105, 1182, 1209, 1326, 1581, 1612, 1860, 1970, 2015, 2108, 2210, 2364, 2418, 2561, 2635, 2652, 2955, 3162, 3315, 3349, 3940, 4030, 4420, 4836, 5122, 5270, 5910, 6045, 6107, 6324, 6630, 6698, 6851, 7683, 7905, 8060, 10047, 10244, 10540, 11820, 12090, 12214, 12805, 13260, 13396, 13702, 15366, 15810, 16745, 18321, 20094, 20553, 24180, 24428, 25610, 27404, 30535, 30732, 31620, 33490, 34255, 36642, 38415, 40188, 41106, 43537, 50235, 51220, 61070, 66980, 68510, 73284, 76830, 79391, 82212, 87074, 91605, 100470, 102765, 103819, 122140, 130611, 137020, 153660, 158782, 174148, 183210, 200940, 205530, 207638, 217685, 238173, 261222, 311457, 317564, 366420, 396955, 411060, 415276, 435370, 476346, 519095, 522444, 622914, 653055, 793910, 870740, 952692, 1038190, 1190865, 1245828, 1306110, 1349647, 1557285, 1587820, 2076380, 2381730, 2612220, 2699294, 3114570, 4048941, 4763460, 5398588, 6229140, 6748235, 8097882, 13496470, 16195764, 20244705, 26992940, 40489410, 80978820]

約数ペア:

[(1, 80978820), (2, 40489410), (3, 26992940), (4, 20244705), (5, 16195764), (6, 13496470), (10, 8097882), (12, 6748235), (13, 6229140), (15, 5398588), (17, 4763460), (20, 4048941), (26, 3114570), (30, 2699294), (31, 2612220), (34, 2381730), (39, 2076380), (51, 1587820), (52, 1557285), (60, 1349647), (62, 1306110), (65, 1245828), (68, 1190865), (78, 1038190), (85, 952692), (93, 870740), (102, 793910), (124, 653055), (130, 622914), (155, 522444), (156, 519095), (170, 476346), (186, 435370), (195, 415276), (197, 411060), (204, 396955), (221, 366420), (255, 317564), (260, 311457), (310, 261222), (340, 238173), (372, 217685), (390, 207638), (394, 205530), (403, 200940), (442, 183210), (465, 174148), (510, 158782), (527, 153660), (591, 137020), (620, 130611), (663, 122140), (780, 103819), (788, 102765), (806, 100470), (884, 91605), (930, 87074), (985, 82212), (1020, 79391), (1054, 76830), (1105, 73284), (1182, 68510), (1209, 66980), (1326, 61070), (1581, 51220), (1612, 50235), (1860, 43537), (1970, 41106), (2015, 40188), (2108, 38415), (2210, 36642), (2364, 34255), (2418, 33490), (2561, 31620), (2635, 30732), (2652, 30535), (2955, 27404), (3162, 25610), (3315, 24428), (3349, 24180), (3940, 20553), (4030, 20094), (4420, 18321), (4836, 16745), (5122, 15810), (5270, 15366), (5910, 13702), (6045, 13396), (6107, 13260), (6324, 12805), (6630, 12214), (6698, 12090), (6851, 11820), (7683, 10540), (7905, 10244), (8060, 10047)]