320201280

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{2269}}^1$

素因数の和:2306

約数の個数: 252

約数和(自身を含む): 1281737340

約数和(自身を除く): 961536060

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2269, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4538, 4704, 5040, 5880, 6720, 6807, 7056, 7840, 8820, 9076, 9408, 10080, 11345, 11760, 13614, 14112, 15680, 15883, 17640, 18152, 20160, 20421, 22690, 23520, 27228, 28224, 31766, 34035, 35280, 36304, 40842, 45380, 47040, 47649, 54456, 63532, 68070, 70560, 72608, 79415, 81684, 90760, 95298, 102105, 108912, 111181, 127064, 136140, 141120, 142947, 145216, 158830, 163368, 181520, 190596, 204210, 217824, 222362, 238245, 254128, 272280, 285894, 317660, 326736, 333543, 363040, 381192, 408420, 435648, 444724, 476490, 508256, 544560, 555905, 571788, 635320, 653472, 667086, 714735, 726080, 762384, 816840, 889448, 952980, 1000629, 1016512, 1089120, 1111810, 1143576, 1270640, 1306944, 1334172, 1429470, 1524768, 1633680, 1667715, 1778896, 1905960, 2001258, 2178240, 2223620, 2287152, 2541280, 2668344, 2858940, 3049536, 3267360, 3335430, 3557792, 3811920, 4002516, 4447240, 4574304, 5003145, 5082560, 5336688, 5717880, 6534720, 6670860, 7115584, 7623840, 8005032, 8894480, 9148608, 10006290, 10673376, 11435760, 13341720, 15247680, 16010064, 17788960, 20012580, 21346752, 22871520, 26683440, 32020128, 35577920, 40025160, 45743040, 53366880, 64040256, 80050320, 106733760, 160100640, 320201280]

約数ペア:

[(1, 320201280), (2, 160100640), (3, 106733760), (4, 80050320), (5, 64040256), (6, 53366880), (7, 45743040), (8, 40025160), (9, 35577920), (10, 32020128), (12, 26683440), (14, 22871520), (15, 21346752), (16, 20012580), (18, 17788960), (20, 16010064), (21, 15247680), (24, 13341720), (28, 11435760), (30, 10673376), (32, 10006290), (35, 9148608), (36, 8894480), (40, 8005032), (42, 7623840), (45, 7115584), (48, 6670860), (49, 6534720), (56, 5717880), (60, 5336688), (63, 5082560), (64, 5003145), (70, 4574304), (72, 4447240), (80, 4002516), (84, 3811920), (90, 3557792), (96, 3335430), (98, 3267360), (105, 3049536), (112, 2858940), (120, 2668344), (126, 2541280), (140, 2287152), (144, 2223620), (147, 2178240), (160, 2001258), (168, 1905960), (180, 1778896), (192, 1667715), (196, 1633680), (210, 1524768), (224, 1429470), (240, 1334172), (245, 1306944), (252, 1270640), (280, 1143576), (288, 1111810), (294, 1089120), (315, 1016512), (320, 1000629), (336, 952980), (360, 889448), (392, 816840), (420, 762384), (441, 726080), (448, 714735), (480, 667086), (490, 653472), (504, 635320), (560, 571788), (576, 555905), (588, 544560), (630, 508256), (672, 476490), (720, 444724), (735, 435648), (784, 408420), (840, 381192), (882, 363040), (960, 333543), (980, 326736), (1008, 317660), (1120, 285894), (1176, 272280), (1260, 254128), (1344, 238245), (1440, 222362), (1470, 217824), (1568, 204210), (1680, 190596), (1764, 181520), (1960, 163368), (2016, 158830), (2205, 145216), (2240, 142947), (2269, 141120), (2352, 136140), (2520, 127064), (2880, 111181), (2940, 108912), (3136, 102105), (3360, 95298), (3528, 90760), (3920, 81684), (4032, 79415), (4410, 72608), (4538, 70560), (4704, 68070), (5040, 63532), (5880, 54456), (6720, 47649), (6807, 47040), (7056, 45380), (7840, 40842), (8820, 36304), (9076, 35280), (9408, 34035), (10080, 31766), (11345, 28224), (11760, 27228), (13614, 23520), (14112, 22690), (15680, 20421), (15883, 20160), (17640, 18152)]