278789220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2113}}^1$

素因数の和:2861

約数の個数: 72

約数和(自身を含む): 847215096

約数和(自身を除く): 568425876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 733, 1466, 2113, 2199, 2932, 3665, 4226, 4398, 6339, 6597, 7330, 8452, 8796, 10565, 10995, 12678, 13194, 14660, 19017, 21130, 21990, 25356, 26388, 31695, 32985, 38034, 42260, 43980, 63390, 65970, 76068, 95085, 126780, 131940, 190170, 380340, 1548829, 3097658, 4646487, 6195316, 7744145, 9292974, 13939461, 15488290, 18585948, 23232435, 27878922, 30976580, 46464870, 55757844, 69697305, 92929740, 139394610, 278789220]

約数ペア:

[(1, 278789220), (2, 139394610), (3, 92929740), (4, 69697305), (5, 55757844), (6, 46464870), (9, 30976580), (10, 27878922), (12, 23232435), (15, 18585948), (18, 15488290), (20, 13939461), (30, 9292974), (36, 7744145), (45, 6195316), (60, 4646487), (90, 3097658), (180, 1548829), (733, 380340), (1466, 190170), (2113, 131940), (2199, 126780), (2932, 95085), (3665, 76068), (4226, 65970), (4398, 63390), (6339, 43980), (6597, 42260), (7330, 38034), (8452, 32985), (8796, 31695), (10565, 26388), (10995, 25356), (12678, 21990), (13194, 21130), (14660, 19017)]