31212412920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{20149}}^1$

素因数の和:20510

約数の個数: 192

約数和(自身を含む): 109578924000

約数和(自身を除く): 78366511080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 331, 360, 390, 468, 520, 585, 662, 780, 936, 993, 1170, 1324, 1560, 1655, 1986, 2340, 2648, 2979, 3310, 3972, 4303, 4680, 4965, 5958, 6620, 7944, 8606, 9930, 11916, 12909, 13240, 14895, 17212, 19860, 20149, 21515, 23832, 25818, 29790, 34424, 38727, 39720, 40298, 43030, 51636, 59580, 60447, 64545, 77454, 80596, 86060, 100745, 103272, 119160, 120894, 129090, 154908, 161192, 172120, 181341, 193635, 201490, 241788, 258180, 261937, 302235, 309816, 362682, 387270, 402980, 483576, 516360, 523874, 604470, 725364, 774540, 785811, 805960, 906705, 1047748, 1208940, 1309685, 1450728, 1549080, 1571622, 1813410, 2095496, 2357433, 2417880, 2619370, 3143244, 3626820, 3929055, 4714866, 5238740, 6286488, 6669319, 7253640, 7858110, 9429732, 10477480, 11787165, 13338638, 15716220, 18859464, 20007957, 23574330, 26677276, 31432440, 33346595, 40015914, 47148660, 53354552, 60023871, 66693190, 80031828, 86701147, 94297320, 100039785, 120047742, 133386380, 160063656, 173402294, 200079570, 240095484, 260103441, 266772760, 300119355, 346804588, 400159140, 433505735, 480190968, 520206882, 600238710, 693609176, 780310323, 800318280, 867011470, 1040413764, 1200477420, 1300517205, 1560620646, 1734022940, 2080827528, 2400954840, 2601034410, 3121241292, 3468045880, 3901551615, 5202068820, 6242482584, 7803103230, 10404137640, 15606206460, 31212412920]

約数ペア:

[(1, 31212412920), (2, 15606206460), (3, 10404137640), (4, 7803103230), (5, 6242482584), (6, 5202068820), (8, 3901551615), (9, 3468045880), (10, 3121241292), (12, 2601034410), (13, 2400954840), (15, 2080827528), (18, 1734022940), (20, 1560620646), (24, 1300517205), (26, 1200477420), (30, 1040413764), (36, 867011470), (39, 800318280), (40, 780310323), (45, 693609176), (52, 600238710), (60, 520206882), (65, 480190968), (72, 433505735), (78, 400159140), (90, 346804588), (104, 300119355), (117, 266772760), (120, 260103441), (130, 240095484), (156, 200079570), (180, 173402294), (195, 160063656), (234, 133386380), (260, 120047742), (312, 100039785), (331, 94297320), (360, 86701147), (390, 80031828), (468, 66693190), (520, 60023871), (585, 53354552), (662, 47148660), (780, 40015914), (936, 33346595), (993, 31432440), (1170, 26677276), (1324, 23574330), (1560, 20007957), (1655, 18859464), (1986, 15716220), (2340, 13338638), (2648, 11787165), (2979, 10477480), (3310, 9429732), (3972, 7858110), (4303, 7253640), (4680, 6669319), (4965, 6286488), (5958, 5238740), (6620, 4714866), (7944, 3929055), (8606, 3626820), (9930, 3143244), (11916, 2619370), (12909, 2417880), (13240, 2357433), (14895, 2095496), (17212, 1813410), (19860, 1571622), (20149, 1549080), (21515, 1450728), (23832, 1309685), (25818, 1208940), (29790, 1047748), (34424, 906705), (38727, 805960), (39720, 785811), (40298, 774540), (43030, 725364), (51636, 604470), (59580, 523874), (60447, 516360), (64545, 483576), (77454, 402980), (80596, 387270), (86060, 362682), (100745, 309816), (103272, 302235), (119160, 261937), (120894, 258180), (129090, 241788), (154908, 201490), (161192, 193635), (172120, 181341)]