78062880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{3319}}^1$

素因数の和:3351

約数の個数: 144

約数和(自身を含む): 286130880

約数和(自身を除く): 208068000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3319, 3360, 3920, 4704, 5880, 6638, 7840, 9957, 11760, 13276, 16595, 19914, 23233, 23520, 26552, 33190, 39828, 46466, 49785, 53104, 66380, 69699, 79656, 92932, 99570, 106208, 116165, 132760, 139398, 159312, 162631, 185864, 199140, 232330, 265520, 278796, 318624, 325262, 348495, 371728, 398280, 464660, 487893, 531040, 557592, 650524, 696990, 743456, 796560, 813155, 929320, 975786, 1115184, 1301048, 1393980, 1593120, 1626310, 1858640, 1951572, 2230368, 2439465, 2602096, 2787960, 3252620, 3717280, 3903144, 4878930, 5204192, 5575920, 6505240, 7806288, 9757860, 11151840, 13010480, 15612576, 19515720, 26020960, 39031440, 78062880]

約数ペア:

[(1, 78062880), (2, 39031440), (3, 26020960), (4, 19515720), (5, 15612576), (6, 13010480), (7, 11151840), (8, 9757860), (10, 7806288), (12, 6505240), (14, 5575920), (15, 5204192), (16, 4878930), (20, 3903144), (21, 3717280), (24, 3252620), (28, 2787960), (30, 2602096), (32, 2439465), (35, 2230368), (40, 1951572), (42, 1858640), (48, 1626310), (49, 1593120), (56, 1393980), (60, 1301048), (70, 1115184), (80, 975786), (84, 929320), (96, 813155), (98, 796560), (105, 743456), (112, 696990), (120, 650524), (140, 557592), (147, 531040), (160, 487893), (168, 464660), (196, 398280), (210, 371728), (224, 348495), (240, 325262), (245, 318624), (280, 278796), (294, 265520), (336, 232330), (392, 199140), (420, 185864), (480, 162631), (490, 159312), (560, 139398), (588, 132760), (672, 116165), (735, 106208), (784, 99570), (840, 92932), (980, 79656), (1120, 69699), (1176, 66380), (1470, 53104), (1568, 49785), (1680, 46466), (1960, 39828), (2352, 33190), (2940, 26552), (3319, 23520), (3360, 23233), (3920, 19914), (4704, 16595), (5880, 13276), (6638, 11760), (7840, 9957)]