90439920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2207

約数の個数: 120

約数和(自身を含む): 309020400

約数和(自身を除く): 218580480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 2124, 2129, 2360, 2655, 2832, 3540, 4248, 4258, 4720, 5310, 6387, 7080, 8496, 8516, 10620, 10645, 12774, 14160, 17032, 19161, 21240, 21290, 25548, 31935, 34064, 38322, 42480, 42580, 51096, 63870, 76644, 85160, 95805, 102192, 125611, 127740, 153288, 170320, 191610, 251222, 255480, 306576, 376833, 383220, 502444, 510960, 628055, 753666, 766440, 1004888, 1130499, 1256110, 1507332, 1532880, 1884165, 2009776, 2260998, 2512220, 3014664, 3768330, 4521996, 5024440, 5652495, 6029328, 7536660, 9043992, 10048880, 11304990, 15073320, 18087984, 22609980, 30146640, 45219960, 90439920]

約数ペア:

[(1, 90439920), (2, 45219960), (3, 30146640), (4, 22609980), (5, 18087984), (6, 15073320), (8, 11304990), (9, 10048880), (10, 9043992), (12, 7536660), (15, 6029328), (16, 5652495), (18, 5024440), (20, 4521996), (24, 3768330), (30, 3014664), (36, 2512220), (40, 2260998), (45, 2009776), (48, 1884165), (59, 1532880), (60, 1507332), (72, 1256110), (80, 1130499), (90, 1004888), (118, 766440), (120, 753666), (144, 628055), (177, 510960), (180, 502444), (236, 383220), (240, 376833), (295, 306576), (354, 255480), (360, 251222), (472, 191610), (531, 170320), (590, 153288), (708, 127740), (720, 125611), (885, 102192), (944, 95805), (1062, 85160), (1180, 76644), (1416, 63870), (1770, 51096), (2124, 42580), (2129, 42480), (2360, 38322), (2655, 34064), (2832, 31935), (3540, 25548), (4248, 21290), (4258, 21240), (4720, 19161), (5310, 17032), (6387, 14160), (7080, 12774), (8496, 10645), (8516, 10620)]