281962980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 288

約数和(自身を含む): 998000640

約数和(自身を除く): 716037660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 115, 117, 124, 130, 138, 155, 156, 169, 180, 186, 195, 207, 230, 234, 260, 276, 279, 299, 310, 338, 345, 372, 390, 403, 414, 460, 465, 468, 507, 558, 585, 598, 620, 676, 690, 713, 780, 806, 828, 845, 897, 930, 1014, 1035, 1116, 1170, 1196, 1209, 1380, 1395, 1426, 1495, 1521, 1612, 1690, 1794, 1860, 2015, 2028, 2070, 2139, 2197, 2340, 2418, 2535, 2691, 2790, 2852, 2990, 3042, 3380, 3565, 3588, 3627, 3887, 4030, 4140, 4278, 4394, 4485, 4836, 5070, 5239, 5382, 5580, 5980, 6045, 6084, 6417, 6591, 7130, 7254, 7605, 7774, 8060, 8556, 8788, 8970, 9269, 10140, 10478, 10695, 10764, 10985, 11661, 12090, 12834, 13182, 13455, 14260, 14508, 15210, 15548, 15717, 17940, 18135, 18538, 19435, 19773, 20956, 21390, 21970, 23322, 24180, 25668, 26195, 26364, 26910, 27807, 30420, 31434, 32085, 32955, 34983, 36270, 37076, 38870, 39546, 42780, 43940, 46345, 46644, 47151, 50531, 52390, 53820, 55614, 58305, 62868, 64170, 65910, 68107, 69966, 72540, 77740, 78585, 79092, 83421, 92690, 94302, 98865, 101062, 104780, 111228, 116610, 120497, 128340, 131820, 136214, 139035, 139932, 151593, 157170, 166842, 174915, 185380, 188604, 197730, 202124, 204321, 233220, 235755, 240994, 252655, 272428, 278070, 303186, 314340, 333684, 340535, 349830, 361491, 395460, 408642, 417105, 454779, 471510, 481988, 505310, 556140, 602485, 606372, 612963, 681070, 699660, 722982, 757965, 817284, 834210, 909558, 943020, 1010620, 1021605, 1084473, 1204970, 1225926, 1362140, 1445964, 1515930, 1566461, 1668420, 1807455, 1819116, 2043210, 2168946, 2273895, 2409940, 2451852, 3031860, 3064815, 3132922, 3614910, 4086420, 4337892, 4547790, 4699383, 5422365, 6129630, 6265844, 7229820, 7832305, 9095580, 9398766, 10844730, 12259260, 14098149, 15664610, 18797532, 21689460, 23496915, 28196298, 31329220, 46993830, 56392596, 70490745, 93987660, 140981490, 281962980]

約数ペア:

[(1, 281962980), (2, 140981490), (3, 93987660), (4, 70490745), (5, 56392596), (6, 46993830), (9, 31329220), (10, 28196298), (12, 23496915), (13, 21689460), (15, 18797532), (18, 15664610), (20, 14098149), (23, 12259260), (26, 10844730), (30, 9398766), (31, 9095580), (36, 7832305), (39, 7229820), (45, 6265844), (46, 6129630), (52, 5422365), (60, 4699383), (62, 4547790), (65, 4337892), (69, 4086420), (78, 3614910), (90, 3132922), (92, 3064815), (93, 3031860), (115, 2451852), (117, 2409940), (124, 2273895), (130, 2168946), (138, 2043210), (155, 1819116), (156, 1807455), (169, 1668420), (180, 1566461), (186, 1515930), (195, 1445964), (207, 1362140), (230, 1225926), (234, 1204970), (260, 1084473), (276, 1021605), (279, 1010620), (299, 943020), (310, 909558), (338, 834210), (345, 817284), (372, 757965), (390, 722982), (403, 699660), (414, 681070), (460, 612963), (465, 606372), (468, 602485), (507, 556140), (558, 505310), (585, 481988), (598, 471510), (620, 454779), (676, 417105), (690, 408642), (713, 395460), (780, 361491), (806, 349830), (828, 340535), (845, 333684), (897, 314340), (930, 303186), (1014, 278070), (1035, 272428), (1116, 252655), (1170, 240994), (1196, 235755), (1209, 233220), (1380, 204321), (1395, 202124), (1426, 197730), (1495, 188604), (1521, 185380), (1612, 174915), (1690, 166842), (1794, 157170), (1860, 151593), (2015, 139932), (2028, 139035), (2070, 136214), (2139, 131820), (2197, 128340), (2340, 120497), (2418, 116610), (2535, 111228), (2691, 104780), (2790, 101062), (2852, 98865), (2990, 94302), (3042, 92690), (3380, 83421), (3565, 79092), (3588, 78585), (3627, 77740), (3887, 72540), (4030, 69966), (4140, 68107), (4278, 65910), (4394, 64170), (4485, 62868), (4836, 58305), (5070, 55614), (5239, 53820), (5382, 52390), (5580, 50531), (5980, 47151), (6045, 46644), (6084, 46345), (6417, 43940), (6591, 42780), (7130, 39546), (7254, 38870), (7605, 37076), (7774, 36270), (8060, 34983), (8556, 32955), (8788, 32085), (8970, 31434), (9269, 30420), (10140, 27807), (10478, 26910), (10695, 26364), (10764, 26195), (10985, 25668), (11661, 24180), (12090, 23322), (12834, 21970), (13182, 21390), (13455, 20956), (14260, 19773), (14508, 19435), (15210, 18538), (15548, 18135), (15717, 17940)]