278763660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2597

約数の個数: 192

約数和(自身を含む): 1025740800

約数和(自身を除く): 746977140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1566, 1740, 1827, 1890, 2030, 2436, 2543, 2610, 3045, 3132, 3654, 3780, 3915, 4060, 5086, 5220, 5481, 6090, 7308, 7629, 7830, 9135, 10172, 10962, 12180, 12715, 15258, 15660, 17801, 18270, 21924, 22887, 25430, 27405, 30516, 35602, 36540, 38145, 45774, 50860, 53403, 54810, 68661, 71204, 73747, 76290, 89005, 91548, 106806, 109620, 114435, 137322, 147494, 152580, 160209, 178010, 213612, 221241, 228870, 267015, 274644, 294988, 320418, 343305, 356020, 368735, 442482, 457740, 480627, 516229, 534030, 640836, 663723, 686610, 737470, 801045, 884964, 961254, 1032458, 1068060, 1106205, 1327446, 1373220, 1474940, 1548687, 1602090, 1922508, 1991169, 2064916, 2212410, 2403135, 2581145, 2654892, 3097374, 3204180, 3318615, 3982338, 4424820, 4646061, 4806270, 5162290, 6194748, 6637230, 7743435, 7964676, 9292122, 9612540, 9955845, 10324580, 13274460, 13938183, 15486870, 18584244, 19911690, 23230305, 27876366, 30973740, 39823380, 46460610, 55752732, 69690915, 92921220, 139381830, 278763660]

約数ペア:

[(1, 278763660), (2, 139381830), (3, 92921220), (4, 69690915), (5, 55752732), (6, 46460610), (7, 39823380), (9, 30973740), (10, 27876366), (12, 23230305), (14, 19911690), (15, 18584244), (18, 15486870), (20, 13938183), (21, 13274460), (27, 10324580), (28, 9955845), (29, 9612540), (30, 9292122), (35, 7964676), (36, 7743435), (42, 6637230), (45, 6194748), (54, 5162290), (58, 4806270), (60, 4646061), (63, 4424820), (70, 3982338), (84, 3318615), (87, 3204180), (90, 3097374), (105, 2654892), (108, 2581145), (116, 2403135), (126, 2212410), (135, 2064916), (140, 1991169), (145, 1922508), (174, 1602090), (180, 1548687), (189, 1474940), (203, 1373220), (210, 1327446), (252, 1106205), (261, 1068060), (270, 1032458), (290, 961254), (315, 884964), (348, 801045), (378, 737470), (406, 686610), (420, 663723), (435, 640836), (522, 534030), (540, 516229), (580, 480627), (609, 457740), (630, 442482), (756, 368735), (783, 356020), (812, 343305), (870, 320418), (945, 294988), (1015, 274644), (1044, 267015), (1218, 228870), (1260, 221241), (1305, 213612), (1566, 178010), (1740, 160209), (1827, 152580), (1890, 147494), (2030, 137322), (2436, 114435), (2543, 109620), (2610, 106806), (3045, 91548), (3132, 89005), (3654, 76290), (3780, 73747), (3915, 71204), (4060, 68661), (5086, 54810), (5220, 53403), (5481, 50860), (6090, 45774), (7308, 38145), (7629, 36540), (7830, 35602), (9135, 30516), (10172, 27405), (10962, 25430), (12180, 22887), (12715, 21924), (15258, 18270), (15660, 17801)]