521057880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:623

約数の個数: 256

約数和(自身を含む): 2002176000

約数和(自身を除く): 1481118120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 157, 168, 180, 189, 210, 216, 252, 270, 280, 314, 315, 360, 378, 420, 439, 471, 504, 540, 628, 630, 756, 785, 840, 878, 942, 945, 1080, 1099, 1256, 1260, 1317, 1413, 1512, 1570, 1756, 1884, 1890, 2195, 2198, 2355, 2520, 2634, 2826, 3073, 3140, 3297, 3512, 3768, 3780, 3951, 4239, 4390, 4396, 4710, 5268, 5495, 5652, 6146, 6280, 6585, 6594, 7065, 7560, 7902, 8478, 8780, 8792, 9219, 9420, 9891, 10536, 10990, 11304, 11853, 12292, 13170, 13188, 14130, 15365, 15804, 16485, 16956, 17560, 18438, 18840, 19755, 19782, 21195, 21980, 23706, 24584, 26340, 26376, 27657, 28260, 29673, 30730, 31608, 32970, 33912, 36876, 39510, 39564, 42390, 43960, 46095, 47412, 49455, 52680, 55314, 56520, 59265, 59346, 61460, 65940, 68923, 73752, 79020, 79128, 82971, 84780, 92190, 94824, 98910, 110628, 118530, 118692, 122920, 131880, 137846, 138285, 148365, 158040, 165942, 169560, 184380, 197820, 206769, 221256, 237060, 237384, 275692, 276570, 296730, 331884, 344615, 368760, 395640, 413538, 414855, 474120, 482461, 551384, 553140, 593460, 620307, 663768, 689230, 827076, 829710, 964922, 1033845, 1106280, 1186920, 1240614, 1378460, 1447383, 1654152, 1659420, 1860921, 1929844, 2067690, 2412305, 2481228, 2756920, 2894766, 3101535, 3318840, 3721842, 3859688, 4135380, 4342149, 4824610, 4962456, 5789532, 6203070, 7236915, 7443684, 8270760, 8684298, 9304605, 9649220, 11579064, 12406140, 13026447, 14473830, 14887368, 17368596, 18609210, 19298440, 21710745, 24812280, 26052894, 28947660, 34737192, 37218420, 43421490, 52105788, 57895320, 65132235, 74436840, 86842980, 104211576, 130264470, 173685960, 260528940, 521057880]

約数ペア:

[(1, 521057880), (2, 260528940), (3, 173685960), (4, 130264470), (5, 104211576), (6, 86842980), (7, 74436840), (8, 65132235), (9, 57895320), (10, 52105788), (12, 43421490), (14, 37218420), (15, 34737192), (18, 28947660), (20, 26052894), (21, 24812280), (24, 21710745), (27, 19298440), (28, 18609210), (30, 17368596), (35, 14887368), (36, 14473830), (40, 13026447), (42, 12406140), (45, 11579064), (54, 9649220), (56, 9304605), (60, 8684298), (63, 8270760), (70, 7443684), (72, 7236915), (84, 6203070), (90, 5789532), (105, 4962456), (108, 4824610), (120, 4342149), (126, 4135380), (135, 3859688), (140, 3721842), (157, 3318840), (168, 3101535), (180, 2894766), (189, 2756920), (210, 2481228), (216, 2412305), (252, 2067690), (270, 1929844), (280, 1860921), (314, 1659420), (315, 1654152), (360, 1447383), (378, 1378460), (420, 1240614), (439, 1186920), (471, 1106280), (504, 1033845), (540, 964922), (628, 829710), (630, 827076), (756, 689230), (785, 663768), (840, 620307), (878, 593460), (942, 553140), (945, 551384), (1080, 482461), (1099, 474120), (1256, 414855), (1260, 413538), (1317, 395640), (1413, 368760), (1512, 344615), (1570, 331884), (1756, 296730), (1884, 276570), (1890, 275692), (2195, 237384), (2198, 237060), (2355, 221256), (2520, 206769), (2634, 197820), (2826, 184380), (3073, 169560), (3140, 165942), (3297, 158040), (3512, 148365), (3768, 138285), (3780, 137846), (3951, 131880), (4239, 122920), (4390, 118692), (4396, 118530), (4710, 110628), (5268, 98910), (5495, 94824), (5652, 92190), (6146, 84780), (6280, 82971), (6585, 79128), (6594, 79020), (7065, 73752), (7560, 68923), (7902, 65940), (8478, 61460), (8780, 59346), (8792, 59265), (9219, 56520), (9420, 55314), (9891, 52680), (10536, 49455), (10990, 47412), (11304, 46095), (11853, 43960), (12292, 42390), (13170, 39564), (13188, 39510), (14130, 36876), (15365, 33912), (15804, 32970), (16485, 31608), (16956, 30730), (17560, 29673), (18438, 28260), (18840, 27657), (19755, 26376), (19782, 26340), (21195, 24584), (21980, 23706)]