28450980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 96768000

約数和(自身を除く): 68317020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 47, 54, 57, 59, 60, 76, 90, 94, 95, 108, 114, 118, 135, 141, 171, 177, 180, 188, 190, 228, 235, 236, 270, 282, 285, 295, 342, 354, 380, 423, 470, 513, 531, 540, 564, 570, 590, 684, 705, 708, 846, 855, 885, 893, 940, 1026, 1062, 1121, 1140, 1180, 1269, 1410, 1593, 1692, 1710, 1770, 1786, 2052, 2115, 2124, 2242, 2538, 2565, 2655, 2679, 2773, 2820, 3186, 3363, 3420, 3540, 3572, 4230, 4465, 4484, 5076, 5130, 5310, 5358, 5546, 5605, 6345, 6372, 6726, 7965, 8037, 8319, 8460, 8930, 10089, 10260, 10620, 10716, 11092, 11210, 12690, 13395, 13452, 13865, 15930, 16074, 16638, 16815, 17860, 20178, 22420, 24111, 24957, 25380, 26790, 27730, 30267, 31860, 32148, 33276, 33630, 40185, 40356, 41595, 48222, 49914, 50445, 52687, 53580, 55460, 60534, 67260, 74871, 80370, 83190, 96444, 99828, 100890, 105374, 120555, 121068, 124785, 149742, 151335, 158061, 160740, 166380, 201780, 210748, 241110, 249570, 263435, 299484, 302670, 316122, 374355, 474183, 482220, 499140, 526870, 605340, 632244, 748710, 790305, 948366, 1053740, 1422549, 1497420, 1580610, 1896732, 2370915, 2845098, 3161220, 4741830, 5690196, 7112745, 9483660, 14225490, 28450980]

約数ペア:

[(1, 28450980), (2, 14225490), (3, 9483660), (4, 7112745), (5, 5690196), (6, 4741830), (9, 3161220), (10, 2845098), (12, 2370915), (15, 1896732), (18, 1580610), (19, 1497420), (20, 1422549), (27, 1053740), (30, 948366), (36, 790305), (38, 748710), (45, 632244), (47, 605340), (54, 526870), (57, 499140), (59, 482220), (60, 474183), (76, 374355), (90, 316122), (94, 302670), (95, 299484), (108, 263435), (114, 249570), (118, 241110), (135, 210748), (141, 201780), (171, 166380), (177, 160740), (180, 158061), (188, 151335), (190, 149742), (228, 124785), (235, 121068), (236, 120555), (270, 105374), (282, 100890), (285, 99828), (295, 96444), (342, 83190), (354, 80370), (380, 74871), (423, 67260), (470, 60534), (513, 55460), (531, 53580), (540, 52687), (564, 50445), (570, 49914), (590, 48222), (684, 41595), (705, 40356), (708, 40185), (846, 33630), (855, 33276), (885, 32148), (893, 31860), (940, 30267), (1026, 27730), (1062, 26790), (1121, 25380), (1140, 24957), (1180, 24111), (1269, 22420), (1410, 20178), (1593, 17860), (1692, 16815), (1710, 16638), (1770, 16074), (1786, 15930), (2052, 13865), (2115, 13452), (2124, 13395), (2242, 12690), (2538, 11210), (2565, 11092), (2655, 10716), (2679, 10620), (2773, 10260), (2820, 10089), (3186, 8930), (3363, 8460), (3420, 8319), (3540, 8037), (3572, 7965), (4230, 6726), (4465, 6372), (4484, 6345), (5076, 5605), (5130, 5546), (5310, 5358)]