637625820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1951}}^1$

素因数の和:2395

約数の個数: 96

約数和(自身を含む): 1928263680

約数和(自身を除く): 1290637860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 419, 780, 838, 1257, 1676, 1951, 2095, 2514, 3902, 4190, 5028, 5447, 5853, 6285, 7804, 8380, 9755, 10894, 11706, 12570, 16341, 19510, 21788, 23412, 25140, 25363, 27235, 29265, 32682, 39020, 50726, 54470, 58530, 65364, 76089, 81705, 101452, 108940, 117060, 126815, 152178, 163410, 253630, 304356, 326820, 380445, 507260, 760890, 817469, 1521780, 1634938, 2452407, 3269876, 4087345, 4904814, 8174690, 9809628, 10627097, 12262035, 16349380, 21254194, 24524070, 31881291, 42508388, 49048140, 53135485, 63762582, 106270970, 127525164, 159406455, 212541940, 318812910, 637625820]

約数ペア:

[(1, 637625820), (2, 318812910), (3, 212541940), (4, 159406455), (5, 127525164), (6, 106270970), (10, 63762582), (12, 53135485), (13, 49048140), (15, 42508388), (20, 31881291), (26, 24524070), (30, 21254194), (39, 16349380), (52, 12262035), (60, 10627097), (65, 9809628), (78, 8174690), (130, 4904814), (156, 4087345), (195, 3269876), (260, 2452407), (390, 1634938), (419, 1521780), (780, 817469), (838, 760890), (1257, 507260), (1676, 380445), (1951, 326820), (2095, 304356), (2514, 253630), (3902, 163410), (4190, 152178), (5028, 126815), (5447, 117060), (5853, 108940), (6285, 101452), (7804, 81705), (8380, 76089), (9755, 65364), (10894, 58530), (11706, 54470), (12570, 50726), (16341, 39020), (19510, 32682), (21788, 29265), (23412, 27235), (25140, 25363)]