128458980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 445939200

約数和(自身を除く): 317480220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 90, 108, 116, 117, 130, 135, 145, 156, 174, 180, 195, 234, 260, 261, 270, 290, 348, 351, 377, 390, 435, 468, 522, 540, 580, 585, 631, 702, 754, 780, 783, 870, 1044, 1131, 1170, 1262, 1305, 1404, 1508, 1566, 1740, 1755, 1885, 1893, 2262, 2340, 2524, 2610, 3132, 3155, 3393, 3510, 3770, 3786, 3915, 4524, 5220, 5655, 5679, 6310, 6786, 7020, 7540, 7572, 7830, 8203, 9465, 10179, 11310, 11358, 12620, 13572, 15660, 16406, 16965, 17037, 18299, 18930, 20358, 22620, 22716, 24609, 28395, 32812, 33930, 34074, 36598, 37860, 40716, 41015, 49218, 50895, 54897, 56790, 67860, 68148, 73196, 73827, 82030, 85185, 91495, 98436, 101790, 109794, 113580, 123045, 147654, 164060, 164691, 170370, 182990, 203580, 219588, 221481, 237887, 246090, 274485, 295308, 329382, 340740, 365980, 369135, 442962, 475774, 492180, 494073, 548970, 658764, 713661, 738270, 823455, 885924, 951548, 988146, 1097940, 1107405, 1189435, 1427322, 1476540, 1646910, 1976292, 2140983, 2214810, 2378870, 2470365, 2854644, 3293820, 3568305, 4281966, 4429620, 4757740, 4940730, 6422949, 7136610, 8563932, 9881460, 10704915, 12845898, 14273220, 21409830, 25691796, 32114745, 42819660, 64229490, 128458980]

約数ペア:

[(1, 128458980), (2, 64229490), (3, 42819660), (4, 32114745), (5, 25691796), (6, 21409830), (9, 14273220), (10, 12845898), (12, 10704915), (13, 9881460), (15, 8563932), (18, 7136610), (20, 6422949), (26, 4940730), (27, 4757740), (29, 4429620), (30, 4281966), (36, 3568305), (39, 3293820), (45, 2854644), (52, 2470365), (54, 2378870), (58, 2214810), (60, 2140983), (65, 1976292), (78, 1646910), (87, 1476540), (90, 1427322), (108, 1189435), (116, 1107405), (117, 1097940), (130, 988146), (135, 951548), (145, 885924), (156, 823455), (174, 738270), (180, 713661), (195, 658764), (234, 548970), (260, 494073), (261, 492180), (270, 475774), (290, 442962), (348, 369135), (351, 365980), (377, 340740), (390, 329382), (435, 295308), (468, 274485), (522, 246090), (540, 237887), (580, 221481), (585, 219588), (631, 203580), (702, 182990), (754, 170370), (780, 164691), (783, 164060), (870, 147654), (1044, 123045), (1131, 113580), (1170, 109794), (1262, 101790), (1305, 98436), (1404, 91495), (1508, 85185), (1566, 82030), (1740, 73827), (1755, 73196), (1885, 68148), (1893, 67860), (2262, 56790), (2340, 54897), (2524, 50895), (2610, 49218), (3132, 41015), (3155, 40716), (3393, 37860), (3510, 36598), (3770, 34074), (3786, 33930), (3915, 32812), (4524, 28395), (5220, 24609), (5655, 22716), (5679, 22620), (6310, 20358), (6786, 18930), (7020, 18299), (7540, 17037), (7572, 16965), (7830, 16406), (8203, 15660), (9465, 13572), (10179, 12620), (11310, 11358)]