28451092500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{661}}^1\times {\mathrm{1913}}^1$

素因数の和:2604

約数の個数: 180

約数和(自身を含む): 90051789828

約数和(自身を除く): 61600697328

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 661, 750, 900, 1125, 1250, 1322, 1500, 1875, 1913, 1983, 2250, 2500, 2644, 3305, 3750, 3826, 3966, 4500, 5625, 5739, 5949, 6610, 7500, 7652, 7932, 9565, 9915, 11250, 11478, 11898, 13220, 16525, 17217, 19130, 19830, 22500, 22956, 23796, 28695, 29745, 33050, 34434, 38260, 39660, 47825, 49575, 57390, 59490, 66100, 68868, 82625, 86085, 95650, 99150, 114780, 118980, 143475, 148725, 165250, 172170, 191300, 198300, 239125, 247875, 286950, 297450, 330500, 344340, 413125, 430425, 478250, 495750, 573900, 594900, 717375, 743625, 826250, 860850, 956500, 991500, 1195625, 1239375, 1264493, 1434750, 1487250, 1652500, 1721700, 2152125, 2391250, 2478750, 2528986, 2869500, 2974500, 3586875, 3718125, 3793479, 4304250, 4782500, 4957500, 5057972, 6322465, 7173750, 7436250, 7586958, 8608500, 10760625, 11380437, 12644930, 14347500, 14872500, 15173916, 18967395, 21521250, 22760874, 25289860, 31612325, 37934790, 43042500, 45521748, 56902185, 63224650, 75869580, 94836975, 113804370, 126449300, 158061625, 189673950, 227608740, 284510925, 316123250, 379347900, 474184875, 569021850, 632246500, 790308125, 948369750, 1138043700, 1422554625, 1580616250, 1896739500, 2370924375, 2845109250, 3161232500, 4741848750, 5690218500, 7112773125, 9483697500, 14225546250, 28451092500]

約数ペア:

[(1, 28451092500), (2, 14225546250), (3, 9483697500), (4, 7112773125), (5, 5690218500), (6, 4741848750), (9, 3161232500), (10, 2845109250), (12, 2370924375), (15, 1896739500), (18, 1580616250), (20, 1422554625), (25, 1138043700), (30, 948369750), (36, 790308125), (45, 632246500), (50, 569021850), (60, 474184875), (75, 379347900), (90, 316123250), (100, 284510925), (125, 227608740), (150, 189673950), (180, 158061625), (225, 126449300), (250, 113804370), (300, 94836975), (375, 75869580), (450, 63224650), (500, 56902185), (625, 45521748), (661, 43042500), (750, 37934790), (900, 31612325), (1125, 25289860), (1250, 22760874), (1322, 21521250), (1500, 18967395), (1875, 15173916), (1913, 14872500), (1983, 14347500), (2250, 12644930), (2500, 11380437), (2644, 10760625), (3305, 8608500), (3750, 7586958), (3826, 7436250), (3966, 7173750), (4500, 6322465), (5625, 5057972), (5739, 4957500), (5949, 4782500), (6610, 4304250), (7500, 3793479), (7652, 3718125), (7932, 3586875), (9565, 2974500), (9915, 2869500), (11250, 2528986), (11478, 2478750), (11898, 2391250), (13220, 2152125), (16525, 1721700), (17217, 1652500), (19130, 1487250), (19830, 1434750), (22500, 1264493), (22956, 1239375), (23796, 1195625), (28695, 991500), (29745, 956500), (33050, 860850), (34434, 826250), (38260, 743625), (39660, 717375), (47825, 594900), (49575, 573900), (57390, 495750), (59490, 478250), (66100, 430425), (68868, 413125), (82625, 344340), (86085, 330500), (95650, 297450), (99150, 286950), (114780, 247875), (118980, 239125), (143475, 198300), (148725, 191300), (165250, 172170)]