28950120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72137880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 47, 58, 59, 60, 72, 87, 90, 94, 116, 118, 120, 141, 145, 174, 177, 180, 188, 232, 235, 236, 261, 282, 290, 295, 348, 354, 360, 376, 423, 435, 470, 472, 522, 531, 564, 580, 590, 696, 705, 708, 846, 870, 885, 940, 1044, 1062, 1128, 1160, 1180, 1305, 1363, 1410, 1416, 1692, 1711, 1740, 1770, 1880, 2088, 2115, 2124, 2360, 2610, 2655, 2726, 2773, 2820, 3384, 3422, 3480, 3540, 4089, 4230, 4248, 5133, 5220, 5310, 5452, 5546, 5640, 6815, 6844, 7080, 8178, 8319, 8460, 8555, 10266, 10440, 10620, 10904, 11092, 12267, 13630, 13688, 13865, 15399, 16356, 16638, 16920, 17110, 20445, 20532, 21240, 22184, 24534, 24957, 25665, 27260, 27730, 30798, 32712, 33276, 34220, 40890, 41064, 41595, 49068, 49914, 51330, 54520, 55460, 61335, 61596, 66552, 68440, 76995, 80417, 81780, 83190, 98136, 99828, 102660, 110920, 122670, 123192, 124785, 153990, 160834, 163560, 166380, 199656, 205320, 241251, 245340, 249570, 307980, 321668, 332760, 402085, 482502, 490680, 499140, 615960, 643336, 723753, 804170, 965004, 998280, 1206255, 1447506, 1608340, 1930008, 2412510, 2895012, 3216680, 3618765, 4825020, 5790024, 7237530, 9650040, 14475060, 28950120]

約数ペア:

[(1, 28950120), (2, 14475060), (3, 9650040), (4, 7237530), (5, 5790024), (6, 4825020), (8, 3618765), (9, 3216680), (10, 2895012), (12, 2412510), (15, 1930008), (18, 1608340), (20, 1447506), (24, 1206255), (29, 998280), (30, 965004), (36, 804170), (40, 723753), (45, 643336), (47, 615960), (58, 499140), (59, 490680), (60, 482502), (72, 402085), (87, 332760), (90, 321668), (94, 307980), (116, 249570), (118, 245340), (120, 241251), (141, 205320), (145, 199656), (174, 166380), (177, 163560), (180, 160834), (188, 153990), (232, 124785), (235, 123192), (236, 122670), (261, 110920), (282, 102660), (290, 99828), (295, 98136), (348, 83190), (354, 81780), (360, 80417), (376, 76995), (423, 68440), (435, 66552), (470, 61596), (472, 61335), (522, 55460), (531, 54520), (564, 51330), (580, 49914), (590, 49068), (696, 41595), (705, 41064), (708, 40890), (846, 34220), (870, 33276), (885, 32712), (940, 30798), (1044, 27730), (1062, 27260), (1128, 25665), (1160, 24957), (1180, 24534), (1305, 22184), (1363, 21240), (1410, 20532), (1416, 20445), (1692, 17110), (1711, 16920), (1740, 16638), (1770, 16356), (1880, 15399), (2088, 13865), (2115, 13688), (2124, 13630), (2360, 12267), (2610, 11092), (2655, 10904), (2726, 10620), (2773, 10440), (2820, 10266), (3384, 8555), (3422, 8460), (3480, 8319), (3540, 8178), (4089, 7080), (4230, 6844), (4248, 6815), (5133, 5640), (5220, 5546), (5310, 5452)]