40639860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 141523200

約数和(自身を除く): 100883340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 233, 255, 270, 285, 306, 323, 340, 342, 380, 459, 466, 510, 513, 540, 570, 612, 646, 684, 699, 765, 855, 918, 932, 969, 1020, 1026, 1140, 1165, 1292, 1398, 1530, 1615, 1710, 1836, 1938, 2052, 2097, 2295, 2330, 2565, 2796, 2907, 3060, 3230, 3420, 3495, 3876, 3961, 4194, 4427, 4590, 4660, 4845, 5130, 5814, 6291, 6460, 6990, 7922, 8388, 8721, 8854, 9180, 9690, 10260, 10485, 11628, 11883, 12582, 13281, 13980, 14535, 15844, 17442, 17708, 19380, 19805, 20970, 22135, 23766, 25164, 26562, 29070, 31455, 34884, 35649, 39610, 39843, 41940, 43605, 44270, 47532, 53124, 58140, 59415, 62910, 66405, 71298, 75259, 79220, 79686, 87210, 88540, 106947, 118830, 119529, 125820, 132810, 142596, 150518, 159372, 174420, 178245, 199215, 213894, 225777, 237660, 239058, 265620, 301036, 356490, 376295, 398430, 427788, 451554, 478116, 534735, 597645, 677331, 712980, 752590, 796860, 903108, 1069470, 1128885, 1195290, 1354662, 1505180, 2031993, 2138940, 2257770, 2390580, 2709324, 3386655, 4063986, 4515540, 6773310, 8127972, 10159965, 13546620, 20319930, 40639860]

約数ペア:

[(1, 40639860), (2, 20319930), (3, 13546620), (4, 10159965), (5, 8127972), (6, 6773310), (9, 4515540), (10, 4063986), (12, 3386655), (15, 2709324), (17, 2390580), (18, 2257770), (19, 2138940), (20, 2031993), (27, 1505180), (30, 1354662), (34, 1195290), (36, 1128885), (38, 1069470), (45, 903108), (51, 796860), (54, 752590), (57, 712980), (60, 677331), (68, 597645), (76, 534735), (85, 478116), (90, 451554), (95, 427788), (102, 398430), (108, 376295), (114, 356490), (135, 301036), (153, 265620), (170, 239058), (171, 237660), (180, 225777), (190, 213894), (204, 199215), (228, 178245), (233, 174420), (255, 159372), (270, 150518), (285, 142596), (306, 132810), (323, 125820), (340, 119529), (342, 118830), (380, 106947), (459, 88540), (466, 87210), (510, 79686), (513, 79220), (540, 75259), (570, 71298), (612, 66405), (646, 62910), (684, 59415), (699, 58140), (765, 53124), (855, 47532), (918, 44270), (932, 43605), (969, 41940), (1020, 39843), (1026, 39610), (1140, 35649), (1165, 34884), (1292, 31455), (1398, 29070), (1530, 26562), (1615, 25164), (1710, 23766), (1836, 22135), (1938, 20970), (2052, 19805), (2097, 19380), (2295, 17708), (2330, 17442), (2565, 15844), (2796, 14535), (2907, 13980), (3060, 13281), (3230, 12582), (3420, 11883), (3495, 11628), (3876, 10485), (3961, 10260), (4194, 9690), (4427, 9180), (4590, 8854), (4660, 8721), (4845, 8388), (5130, 7922), (5814, 6990), (6291, 6460)]