489330180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1363

約数の個数: 192

約数和(自身を含む): 1647072000

約数和(自身を除く): 1157741820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 185, 190, 222, 228, 270, 285, 333, 342, 370, 380, 444, 513, 540, 555, 570, 666, 684, 703, 740, 855, 999, 1026, 1110, 1140, 1289, 1332, 1406, 1665, 1710, 1998, 2052, 2109, 2220, 2565, 2578, 2812, 3330, 3420, 3515, 3867, 3996, 4218, 4995, 5130, 5156, 6327, 6445, 6660, 7030, 7734, 8436, 9990, 10260, 10545, 11601, 12654, 12890, 14060, 15468, 18981, 19335, 19980, 21090, 23202, 24491, 25308, 25780, 31635, 34803, 37962, 38670, 42180, 46404, 47693, 48982, 58005, 63270, 69606, 73473, 75924, 77340, 94905, 95386, 97964, 116010, 122455, 126540, 139212, 143079, 146946, 174015, 189810, 190772, 220419, 232020, 238465, 244910, 286158, 293892, 348030, 367365, 379620, 429237, 440838, 476930, 489820, 572316, 661257, 696060, 715395, 734730, 858474, 881676, 906167, 953860, 1102095, 1287711, 1322514, 1430790, 1469460, 1716948, 1812334, 2146185, 2204190, 2575422, 2645028, 2718501, 2861580, 3306285, 3624668, 4292370, 4408380, 4530835, 5150844, 5437002, 6438555, 6612570, 8155503, 8584740, 9061670, 10874004, 12877110, 13225140, 13592505, 16311006, 18123340, 24466509, 25754220, 27185010, 32622012, 40777515, 48933018, 54370020, 81555030, 97866036, 122332545, 163110060, 244665090, 489330180]

約数ペア:

[(1, 489330180), (2, 244665090), (3, 163110060), (4, 122332545), (5, 97866036), (6, 81555030), (9, 54370020), (10, 48933018), (12, 40777515), (15, 32622012), (18, 27185010), (19, 25754220), (20, 24466509), (27, 18123340), (30, 16311006), (36, 13592505), (37, 13225140), (38, 12877110), (45, 10874004), (54, 9061670), (57, 8584740), (60, 8155503), (74, 6612570), (76, 6438555), (90, 5437002), (95, 5150844), (108, 4530835), (111, 4408380), (114, 4292370), (135, 3624668), (148, 3306285), (171, 2861580), (180, 2718501), (185, 2645028), (190, 2575422), (222, 2204190), (228, 2146185), (270, 1812334), (285, 1716948), (333, 1469460), (342, 1430790), (370, 1322514), (380, 1287711), (444, 1102095), (513, 953860), (540, 906167), (555, 881676), (570, 858474), (666, 734730), (684, 715395), (703, 696060), (740, 661257), (855, 572316), (999, 489820), (1026, 476930), (1110, 440838), (1140, 429237), (1289, 379620), (1332, 367365), (1406, 348030), (1665, 293892), (1710, 286158), (1998, 244910), (2052, 238465), (2109, 232020), (2220, 220419), (2565, 190772), (2578, 189810), (2812, 174015), (3330, 146946), (3420, 143079), (3515, 139212), (3867, 126540), (3996, 122455), (4218, 116010), (4995, 97964), (5130, 95386), (5156, 94905), (6327, 77340), (6445, 75924), (6660, 73473), (7030, 69606), (7734, 63270), (8436, 58005), (9990, 48982), (10260, 47693), (10545, 46404), (11601, 42180), (12654, 38670), (12890, 37962), (14060, 34803), (15468, 31635), (18981, 25780), (19335, 25308), (19980, 24491), (21090, 23202)]