28770294930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139981}}^1$

素因数の和:140052

約数の個数: 128

約数和(自身を含む): 81274669056

約数和(自身を除く): 52504374126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 390, 403, 442, 465, 510, 527, 663, 806, 930, 1054, 1105, 1209, 1326, 1581, 2015, 2210, 2418, 2635, 3162, 3315, 4030, 5270, 6045, 6630, 6851, 7905, 12090, 13702, 15810, 20553, 34255, 41106, 68510, 102765, 139981, 205530, 279962, 419943, 699905, 839886, 1399810, 1819753, 2099715, 2379677, 3639506, 4199430, 4339411, 4759354, 5459259, 7139031, 8678822, 9098765, 10918518, 11898385, 13018233, 14278062, 18197530, 21697055, 23796770, 26036466, 27296295, 30935801, 35695155, 43394110, 54592590, 56412343, 61871602, 65091165, 71390310, 73769987, 92807403, 112824686, 130182330, 147539974, 154679005, 169237029, 185614806, 221309961, 282061715, 309358010, 338474058, 368849935, 442619922, 464037015, 564123430, 737699870, 846185145, 928074030, 959009831, 1106549805, 1692370290, 1918019662, 2213099610, 2877029493, 4795049155, 5754058986, 9590098310, 14385147465, 28770294930]

約数ペア:

[(1, 28770294930), (2, 14385147465), (3, 9590098310), (5, 5754058986), (6, 4795049155), (10, 2877029493), (13, 2213099610), (15, 1918019662), (17, 1692370290), (26, 1106549805), (30, 959009831), (31, 928074030), (34, 846185145), (39, 737699870), (51, 564123430), (62, 464037015), (65, 442619922), (78, 368849935), (85, 338474058), (93, 309358010), (102, 282061715), (130, 221309961), (155, 185614806), (170, 169237029), (186, 154679005), (195, 147539974), (221, 130182330), (255, 112824686), (310, 92807403), (390, 73769987), (403, 71390310), (442, 65091165), (465, 61871602), (510, 56412343), (527, 54592590), (663, 43394110), (806, 35695155), (930, 30935801), (1054, 27296295), (1105, 26036466), (1209, 23796770), (1326, 21697055), (1581, 18197530), (2015, 14278062), (2210, 13018233), (2418, 11898385), (2635, 10918518), (3162, 9098765), (3315, 8678822), (4030, 7139031), (5270, 5459259), (6045, 4759354), (6630, 4339411), (6851, 4199430), (7905, 3639506), (12090, 2379677), (13702, 2099715), (15810, 1819753), (20553, 1399810), (34255, 839886), (41106, 699905), (68510, 419943), (102765, 279962), (139981, 205530)]