20801690640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{28297}}^1$

素因数の和:29337

約数の個数: 120

約数和(自身を含む): 69929904408

約数和(自身を除く): 49128213768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1021, 2042, 3063, 4084, 5105, 6126, 8168, 9189, 10210, 12252, 15315, 16336, 18378, 20420, 24504, 28297, 30630, 36756, 40840, 45945, 49008, 56594, 61260, 73512, 81680, 84891, 91890, 113188, 122520, 141485, 147024, 169782, 183780, 226376, 245040, 254673, 282970, 339564, 367560, 424455, 452752, 509346, 565940, 679128, 735120, 848910, 1018692, 1131880, 1273365, 1358256, 1697820, 2037384, 2263760, 2546730, 3395640, 4074768, 5093460, 6791280, 10186920, 20373840, 28891237, 57782474, 86673711, 115564948, 144456185, 173347422, 231129896, 260021133, 288912370, 346694844, 433368555, 462259792, 520042266, 577824740, 693389688, 866737110, 1040084532, 1155649480, 1300105665, 1386779376, 1733474220, 2080169064, 2311298960, 2600211330, 3466948440, 4160338128, 5200422660, 6933896880, 10400845320, 20801690640]

約数ペア:

[(1, 20801690640), (2, 10400845320), (3, 6933896880), (4, 5200422660), (5, 4160338128), (6, 3466948440), (8, 2600211330), (9, 2311298960), (10, 2080169064), (12, 1733474220), (15, 1386779376), (16, 1300105665), (18, 1155649480), (20, 1040084532), (24, 866737110), (30, 693389688), (36, 577824740), (40, 520042266), (45, 462259792), (48, 433368555), (60, 346694844), (72, 288912370), (80, 260021133), (90, 231129896), (120, 173347422), (144, 144456185), (180, 115564948), (240, 86673711), (360, 57782474), (720, 28891237), (1021, 20373840), (2042, 10186920), (3063, 6791280), (4084, 5093460), (5105, 4074768), (6126, 3395640), (8168, 2546730), (9189, 2263760), (10210, 2037384), (12252, 1697820), (15315, 1358256), (16336, 1273365), (18378, 1131880), (20420, 1018692), (24504, 848910), (28297, 735120), (30630, 679128), (36756, 565940), (40840, 509346), (45945, 452752), (49008, 424455), (56594, 367560), (61260, 339564), (73512, 282970), (81680, 254673), (84891, 245040), (91890, 226376), (113188, 183780), (122520, 169782), (141485, 147024)]