263229680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 160

約数和(自身を含む): 737095680

約数和(自身を除く): 473866000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 217, 236, 248, 257, 280, 295, 310, 413, 434, 472, 496, 514, 560, 590, 620, 826, 868, 944, 1028, 1085, 1180, 1240, 1285, 1652, 1736, 1799, 1829, 2056, 2065, 2170, 2360, 2480, 2570, 3304, 3472, 3598, 3658, 4112, 4130, 4340, 4720, 5140, 6608, 7196, 7316, 7967, 8260, 8680, 8995, 9145, 10280, 12803, 14392, 14632, 15163, 15934, 16520, 17360, 17990, 18290, 20560, 25606, 28784, 29264, 30326, 31868, 33040, 35980, 36580, 39835, 51212, 55769, 60652, 63736, 64015, 71960, 73160, 75815, 79670, 102424, 106141, 111538, 121304, 127472, 128030, 143920, 146320, 151630, 159340, 204848, 212282, 223076, 242608, 256060, 278845, 303260, 318680, 424564, 446152, 470053, 512120, 530705, 557690, 606520, 637360, 849128, 892304, 940106, 1024240, 1061410, 1115380, 1213040, 1698256, 1880212, 2122820, 2230760, 2350265, 3290371, 3760424, 4245640, 4461520, 4700530, 6580742, 7520848, 8491280, 9401060, 13161484, 16451855, 18802120, 26322968, 32903710, 37604240, 52645936, 65807420, 131614840, 263229680]

約数ペア:

[(1, 263229680), (2, 131614840), (4, 65807420), (5, 52645936), (7, 37604240), (8, 32903710), (10, 26322968), (14, 18802120), (16, 16451855), (20, 13161484), (28, 9401060), (31, 8491280), (35, 7520848), (40, 6580742), (56, 4700530), (59, 4461520), (62, 4245640), (70, 3760424), (80, 3290371), (112, 2350265), (118, 2230760), (124, 2122820), (140, 1880212), (155, 1698256), (217, 1213040), (236, 1115380), (248, 1061410), (257, 1024240), (280, 940106), (295, 892304), (310, 849128), (413, 637360), (434, 606520), (472, 557690), (496, 530705), (514, 512120), (560, 470053), (590, 446152), (620, 424564), (826, 318680), (868, 303260), (944, 278845), (1028, 256060), (1085, 242608), (1180, 223076), (1240, 212282), (1285, 204848), (1652, 159340), (1736, 151630), (1799, 146320), (1829, 143920), (2056, 128030), (2065, 127472), (2170, 121304), (2360, 111538), (2480, 106141), (2570, 102424), (3304, 79670), (3472, 75815), (3598, 73160), (3658, 71960), (4112, 64015), (4130, 63736), (4340, 60652), (4720, 55769), (5140, 51212), (6608, 39835), (7196, 36580), (7316, 35980), (7967, 33040), (8260, 31868), (8680, 30326), (8995, 29264), (9145, 28784), (10280, 25606), (12803, 20560), (14392, 18290), (14632, 17990), (15163, 17360), (15934, 16520)]