642040560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{42463}}^1$

素因数の和:42492

約数の個数: 160

約数和(自身を含む): 2527457280

約数和(自身を除く): 1885416720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 42463, 84926, 127389, 169852, 212315, 254778, 297241, 339704, 382167, 424630, 509556, 594482, 636945, 679408, 764334, 849260, 891723, 1019112, 1146501, 1188964, 1273890, 1486205, 1528668, 1698520, 1783446, 1910835, 2038224, 2293002, 2377928, 2547780, 2675169, 2972410, 3057336, 3397040, 3566892, 3821670, 4458615, 4586004, 4755856, 5095560, 5350338, 5732505, 5944820, 6114672, 7133784, 7643340, 8025507, 8917230, 9172008, 10191120, 10700676, 11465010, 11889640, 13375845, 14267568, 15286680, 16051014, 17834460, 18344016, 21401352, 22930020, 23779280, 26751690, 30573360, 32102028, 35668920, 40127535, 42802704, 45860040, 53503380, 64204056, 71337840, 80255070, 91720080, 107006760, 128408112, 160510140, 214013520, 321020280, 642040560]

約数ペア:

[(1, 642040560), (2, 321020280), (3, 214013520), (4, 160510140), (5, 128408112), (6, 107006760), (7, 91720080), (8, 80255070), (9, 71337840), (10, 64204056), (12, 53503380), (14, 45860040), (15, 42802704), (16, 40127535), (18, 35668920), (20, 32102028), (21, 30573360), (24, 26751690), (27, 23779280), (28, 22930020), (30, 21401352), (35, 18344016), (36, 17834460), (40, 16051014), (42, 15286680), (45, 14267568), (48, 13375845), (54, 11889640), (56, 11465010), (60, 10700676), (63, 10191120), (70, 9172008), (72, 8917230), (80, 8025507), (84, 7643340), (90, 7133784), (105, 6114672), (108, 5944820), (112, 5732505), (120, 5350338), (126, 5095560), (135, 4755856), (140, 4586004), (144, 4458615), (168, 3821670), (180, 3566892), (189, 3397040), (210, 3057336), (216, 2972410), (240, 2675169), (252, 2547780), (270, 2377928), (280, 2293002), (315, 2038224), (336, 1910835), (360, 1783446), (378, 1698520), (420, 1528668), (432, 1486205), (504, 1273890), (540, 1188964), (560, 1146501), (630, 1019112), (720, 891723), (756, 849260), (840, 764334), (945, 679408), (1008, 636945), (1080, 594482), (1260, 509556), (1512, 424630), (1680, 382167), (1890, 339704), (2160, 297241), (2520, 254778), (3024, 212315), (3780, 169852), (5040, 127389), (7560, 84926), (15120, 42463)]