86842980

素因数分解:

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

素因数の和:618

約数の個数: 144

約数和(自身を含む): 303663360

約数和(自身を除く): 216820380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 439, 471, 628, 630, 785, 878, 942, 1099, 1260, 1317, 1413, 1570, 1756, 1884, 2195, 2198, 2355, 2634, 2826, 3073, 3140, 3297, 3951, 4390, 4396, 4710, 5268, 5495, 5652, 6146, 6585, 6594, 7065, 7902, 8780, 9219, 9420, 9891, 10990, 12292, 13170, 13188, 14130, 15365, 15804, 16485, 18438, 19755, 19782, 21980, 26340, 27657, 28260, 30730, 32970, 36876, 39510, 39564, 46095, 49455, 55314, 61460, 65940, 68923, 79020, 92190, 98910, 110628, 137846, 138285, 184380, 197820, 206769, 275692, 276570, 344615, 413538, 482461, 553140, 620307, 689230, 827076, 964922, 1033845, 1240614, 1378460, 1447383, 1929844, 2067690, 2412305, 2481228, 2894766, 3101535, 4135380, 4342149, 4824610, 5789532, 6203070, 7236915, 8684298, 9649220, 12406140, 14473830, 17368596, 21710745, 28947660, 43421490, 86842980]

約数ペア:

[(1, 86842980), (2, 43421490), (3, 28947660), (4, 21710745), (5, 17368596), (6, 14473830), (7, 12406140), (9, 9649220), (10, 8684298), (12, 7236915), (14, 6203070), (15, 5789532), (18, 4824610), (20, 4342149), (21, 4135380), (28, 3101535), (30, 2894766), (35, 2481228), (36, 2412305), (42, 2067690), (45, 1929844), (60, 1447383), (63, 1378460), (70, 1240614), (84, 1033845), (90, 964922), (105, 827076), (126, 689230), (140, 620307), (157, 553140), (180, 482461), (210, 413538), (252, 344615), (314, 276570), (315, 275692), (420, 206769), (439, 197820), (471, 184380), (628, 138285), (630, 137846), (785, 110628), (878, 98910), (942, 92190), (1099, 79020), (1260, 68923), (1317, 65940), (1413, 61460), (1570, 55314), (1756, 49455), (1884, 46095), (2195, 39564), (2198, 39510), (2355, 36876), (2634, 32970), (2826, 30730), (3073, 28260), (3140, 27657), (3297, 26340), (3951, 21980), (4390, 19782), (4396, 19755), (4710, 18438), (5268, 16485), (5495, 15804), (5652, 15365), (6146, 14130), (6585, 13188), (6594, 13170), (7065, 12292), (7902, 10990), (8780, 9891), (9219, 9420)]