1284236440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 3182094720

約数和(自身を除く): 1897858280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 73, 82, 85, 136, 146, 164, 170, 205, 292, 328, 340, 365, 410, 584, 631, 680, 697, 730, 820, 1241, 1262, 1394, 1460, 1640, 2482, 2524, 2788, 2920, 2993, 3155, 3485, 4964, 5048, 5576, 5986, 6205, 6310, 6970, 9928, 10727, 11972, 12410, 12620, 13940, 14965, 21454, 23944, 24820, 25240, 25871, 27880, 29930, 42908, 46063, 49640, 50881, 51742, 53635, 59860, 85816, 92126, 101762, 103484, 107270, 119720, 129355, 184252, 203524, 206968, 214540, 230315, 254405, 258710, 368504, 407048, 429080, 439807, 460630, 508810, 517420, 783071, 879614, 921260, 1017620, 1034840, 1566142, 1759228, 1842520, 1888583, 2035240, 2199035, 3132284, 3518456, 3777166, 3915355, 4398070, 6264568, 7554332, 7830710, 8796140, 9442915, 15108664, 15661420, 17592280, 18885830, 31322840, 32105911, 37771660, 64211822, 75543320, 128423644, 160529555, 256847288, 321059110, 642118220, 1284236440]

約数ペア:

[(1, 1284236440), (2, 642118220), (4, 321059110), (5, 256847288), (8, 160529555), (10, 128423644), (17, 75543320), (20, 64211822), (34, 37771660), (40, 32105911), (41, 31322840), (68, 18885830), (73, 17592280), (82, 15661420), (85, 15108664), (136, 9442915), (146, 8796140), (164, 7830710), (170, 7554332), (205, 6264568), (292, 4398070), (328, 3915355), (340, 3777166), (365, 3518456), (410, 3132284), (584, 2199035), (631, 2035240), (680, 1888583), (697, 1842520), (730, 1759228), (820, 1566142), (1241, 1034840), (1262, 1017620), (1394, 921260), (1460, 879614), (1640, 783071), (2482, 517420), (2524, 508810), (2788, 460630), (2920, 439807), (2993, 429080), (3155, 407048), (3485, 368504), (4964, 258710), (5048, 254405), (5576, 230315), (5986, 214540), (6205, 206968), (6310, 203524), (6970, 184252), (9928, 129355), (10727, 119720), (11972, 107270), (12410, 103484), (12620, 101762), (13940, 92126), (14965, 85816), (21454, 59860), (23944, 53635), (24820, 51742), (25240, 50881), (25871, 49640), (27880, 46063), (29930, 42908)]