420919920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1128

約数の個数: 240

約数和(自身を含む): 1540749600

約数和(自身を除く): 1119829680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 80, 87, 90, 95, 114, 116, 120, 144, 145, 152, 171, 174, 180, 190, 228, 232, 240, 261, 285, 290, 304, 342, 348, 360, 380, 435, 456, 464, 522, 551, 570, 580, 684, 696, 720, 760, 855, 870, 912, 1044, 1061, 1102, 1140, 1160, 1305, 1368, 1392, 1520, 1653, 1710, 1740, 2088, 2122, 2204, 2280, 2320, 2610, 2736, 2755, 3183, 3306, 3420, 3480, 4176, 4244, 4408, 4560, 4959, 5220, 5305, 5510, 6366, 6612, 6840, 6960, 8265, 8488, 8816, 9549, 9918, 10440, 10610, 11020, 12732, 13224, 13680, 15915, 16530, 16976, 19098, 19836, 20159, 20880, 21220, 22040, 24795, 25464, 26448, 30769, 31830, 33060, 38196, 39672, 40318, 42440, 44080, 47745, 49590, 50928, 60477, 61538, 63660, 66120, 76392, 79344, 80636, 84880, 92307, 95490, 99180, 100795, 120954, 123076, 127320, 132240, 152784, 153845, 161272, 181431, 184614, 190980, 198360, 201590, 241908, 246152, 254640, 276921, 302385, 307690, 322544, 362862, 369228, 381960, 396720, 403180, 461535, 483816, 492304, 553842, 584611, 604770, 615380, 725724, 738456, 763920, 806360, 907155, 923070, 967632, 1107684, 1169222, 1209540, 1230760, 1384605, 1451448, 1476912, 1612720, 1753833, 1814310, 1846140, 2215368, 2338444, 2419080, 2461520, 2769210, 2902896, 2923055, 3507666, 3628620, 3692280, 4430736, 4676888, 4838160, 5261499, 5538420, 5846110, 7015332, 7257240, 7384560, 8769165, 9353776, 10522998, 11076840, 11692220, 14030664, 14514480, 17538330, 21045996, 22153680, 23384440, 26307495, 28061328, 35076660, 42091992, 46768880, 52614990, 70153320, 84183984, 105229980, 140306640, 210459960, 420919920]

約数ペア:

[(1, 420919920), (2, 210459960), (3, 140306640), (4, 105229980), (5, 84183984), (6, 70153320), (8, 52614990), (9, 46768880), (10, 42091992), (12, 35076660), (15, 28061328), (16, 26307495), (18, 23384440), (19, 22153680), (20, 21045996), (24, 17538330), (29, 14514480), (30, 14030664), (36, 11692220), (38, 11076840), (40, 10522998), (45, 9353776), (48, 8769165), (57, 7384560), (58, 7257240), (60, 7015332), (72, 5846110), (76, 5538420), (80, 5261499), (87, 4838160), (90, 4676888), (95, 4430736), (114, 3692280), (116, 3628620), (120, 3507666), (144, 2923055), (145, 2902896), (152, 2769210), (171, 2461520), (174, 2419080), (180, 2338444), (190, 2215368), (228, 1846140), (232, 1814310), (240, 1753833), (261, 1612720), (285, 1476912), (290, 1451448), (304, 1384605), (342, 1230760), (348, 1209540), (360, 1169222), (380, 1107684), (435, 967632), (456, 923070), (464, 907155), (522, 806360), (551, 763920), (570, 738456), (580, 725724), (684, 615380), (696, 604770), (720, 584611), (760, 553842), (855, 492304), (870, 483816), (912, 461535), (1044, 403180), (1061, 396720), (1102, 381960), (1140, 369228), (1160, 362862), (1305, 322544), (1368, 307690), (1392, 302385), (1520, 276921), (1653, 254640), (1710, 246152), (1740, 241908), (2088, 201590), (2122, 198360), (2204, 190980), (2280, 184614), (2320, 181431), (2610, 161272), (2736, 153845), (2755, 152784), (3183, 132240), (3306, 127320), (3420, 123076), (3480, 120954), (4176, 100795), (4244, 99180), (4408, 95490), (4560, 92307), (4959, 84880), (5220, 80636), (5305, 79344), (5510, 76392), (6366, 66120), (6612, 63660), (6840, 61538), (6960, 60477), (8265, 50928), (8488, 49590), (8816, 47745), (9549, 44080), (9918, 42440), (10440, 40318), (10610, 39672), (11020, 38196), (12732, 33060), (13224, 31830), (13680, 30769), (15915, 26448), (16530, 25464), (16976, 24795), (19098, 22040), (19836, 21220), (20159, 20880)]