228747680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 636037920

約数和(自身を除く): 407290240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 163, 179, 196, 224, 245, 280, 326, 358, 392, 490, 560, 652, 716, 784, 815, 895, 980, 1120, 1141, 1253, 1304, 1432, 1568, 1630, 1790, 1960, 2282, 2506, 2608, 2864, 3260, 3580, 3920, 4564, 5012, 5216, 5705, 5728, 6265, 6520, 7160, 7840, 7987, 8771, 9128, 10024, 11410, 12530, 13040, 14320, 15974, 17542, 18256, 20048, 22820, 25060, 26080, 28640, 29177, 31948, 35084, 36512, 39935, 40096, 43855, 45640, 50120, 58354, 63896, 70168, 79870, 87710, 91280, 100240, 116708, 127792, 140336, 145885, 159740, 175420, 182560, 200480, 204239, 233416, 255584, 280672, 291770, 319480, 350840, 408478, 466832, 583540, 638960, 701680, 816956, 933664, 1021195, 1167080, 1277920, 1403360, 1429673, 1633912, 2042390, 2334160, 2859346, 3267824, 4084780, 4668320, 5718692, 6535648, 7148365, 8169560, 11437384, 14296730, 16339120, 22874768, 28593460, 32678240, 45749536, 57186920, 114373840, 228747680]

約数ペア:

[(1, 228747680), (2, 114373840), (4, 57186920), (5, 45749536), (7, 32678240), (8, 28593460), (10, 22874768), (14, 16339120), (16, 14296730), (20, 11437384), (28, 8169560), (32, 7148365), (35, 6535648), (40, 5718692), (49, 4668320), (56, 4084780), (70, 3267824), (80, 2859346), (98, 2334160), (112, 2042390), (140, 1633912), (160, 1429673), (163, 1403360), (179, 1277920), (196, 1167080), (224, 1021195), (245, 933664), (280, 816956), (326, 701680), (358, 638960), (392, 583540), (490, 466832), (560, 408478), (652, 350840), (716, 319480), (784, 291770), (815, 280672), (895, 255584), (980, 233416), (1120, 204239), (1141, 200480), (1253, 182560), (1304, 175420), (1432, 159740), (1568, 145885), (1630, 140336), (1790, 127792), (1960, 116708), (2282, 100240), (2506, 91280), (2608, 87710), (2864, 79870), (3260, 70168), (3580, 63896), (3920, 58354), (4564, 50120), (5012, 45640), (5216, 43855), (5705, 40096), (5728, 39935), (6265, 36512), (6520, 35084), (7160, 31948), (7840, 29177), (7987, 28640), (8771, 26080), (9128, 25060), (10024, 22820), (11410, 20048), (12530, 18256), (13040, 17542), (14320, 15974)]