181438380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1070

約数の個数: 144

約数和(自身を含む): 586753440

約数和(自身を除く): 405315060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 405, 444, 486, 540, 555, 666, 740, 810, 972, 999, 1009, 1110, 1215, 1332, 1620, 1665, 1998, 2018, 2220, 2430, 2997, 3027, 3330, 3996, 4036, 4860, 4995, 5045, 5994, 6054, 6660, 8991, 9081, 9990, 10090, 11988, 12108, 14985, 15135, 17982, 18162, 19980, 20180, 27243, 29970, 30270, 35964, 36324, 37333, 44955, 45405, 54486, 59940, 60540, 74666, 81729, 89910, 90810, 108972, 111999, 136215, 149332, 163458, 179820, 181620, 186665, 223998, 245187, 272430, 326916, 335997, 373330, 408645, 447996, 490374, 544860, 559995, 671994, 746660, 817290, 980748, 1007991, 1119990, 1225935, 1343988, 1634580, 1679985, 2015982, 2239980, 2451870, 3023973, 3359970, 4031964, 4903740, 5039955, 6047946, 6719940, 9071919, 10079910, 12095892, 15119865, 18143838, 20159820, 30239730, 36287676, 45359595, 60479460, 90719190, 181438380]

約数ペア:

[(1, 181438380), (2, 90719190), (3, 60479460), (4, 45359595), (5, 36287676), (6, 30239730), (9, 20159820), (10, 18143838), (12, 15119865), (15, 12095892), (18, 10079910), (20, 9071919), (27, 6719940), (30, 6047946), (36, 5039955), (37, 4903740), (45, 4031964), (54, 3359970), (60, 3023973), (74, 2451870), (81, 2239980), (90, 2015982), (108, 1679985), (111, 1634580), (135, 1343988), (148, 1225935), (162, 1119990), (180, 1007991), (185, 980748), (222, 817290), (243, 746660), (270, 671994), (324, 559995), (333, 544860), (370, 490374), (405, 447996), (444, 408645), (486, 373330), (540, 335997), (555, 326916), (666, 272430), (740, 245187), (810, 223998), (972, 186665), (999, 181620), (1009, 179820), (1110, 163458), (1215, 149332), (1332, 136215), (1620, 111999), (1665, 108972), (1998, 90810), (2018, 89910), (2220, 81729), (2430, 74666), (2997, 60540), (3027, 59940), (3330, 54486), (3996, 45405), (4036, 44955), (4860, 37333), (4995, 36324), (5045, 35964), (5994, 30270), (6054, 29970), (6660, 27243), (8991, 20180), (9081, 19980), (9990, 18162), (10090, 17982), (11988, 15135), (12108, 14985)]