16397920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^4$

素因数の和:66

約数の個数: 120

約数和(自身を含む): 48701520

約数和(自身を除く): 32303600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1120, 1210, 1232, 1331, 1540, 1694, 1760, 1936, 2420, 2464, 2662, 3080, 3388, 3872, 4235, 4840, 5324, 6160, 6655, 6776, 8470, 9317, 9680, 10648, 12320, 13310, 13552, 14641, 16940, 18634, 19360, 21296, 26620, 27104, 29282, 33880, 37268, 42592, 46585, 53240, 58564, 67760, 73205, 74536, 93170, 102487, 106480, 117128, 135520, 146410, 149072, 186340, 204974, 212960, 234256, 292820, 298144, 372680, 409948, 468512, 512435, 585640, 745360, 819896, 1024870, 1171280, 1490720, 1639792, 2049740, 2342560, 3279584, 4099480, 8198960, 16397920]

約数ペア:

[(1, 16397920), (2, 8198960), (4, 4099480), (5, 3279584), (7, 2342560), (8, 2049740), (10, 1639792), (11, 1490720), (14, 1171280), (16, 1024870), (20, 819896), (22, 745360), (28, 585640), (32, 512435), (35, 468512), (40, 409948), (44, 372680), (55, 298144), (56, 292820), (70, 234256), (77, 212960), (80, 204974), (88, 186340), (110, 149072), (112, 146410), (121, 135520), (140, 117128), (154, 106480), (160, 102487), (176, 93170), (220, 74536), (224, 73205), (242, 67760), (280, 58564), (308, 53240), (352, 46585), (385, 42592), (440, 37268), (484, 33880), (560, 29282), (605, 27104), (616, 26620), (770, 21296), (847, 19360), (880, 18634), (968, 16940), (1120, 14641), (1210, 13552), (1232, 13310), (1331, 12320), (1540, 10648), (1694, 9680), (1760, 9317), (1936, 8470), (2420, 6776), (2464, 6655), (2662, 6160), (3080, 5324), (3388, 4840), (3872, 4235)]