78681960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31223}}^1$

素因数の和:31247

約数の個数: 96

約数和(自身を含む): 292256640

約数和(自身を除く): 213574680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31223, 62446, 93669, 124892, 156115, 187338, 218561, 249784, 281007, 312230, 374676, 437122, 468345, 562014, 624460, 655683, 749352, 874244, 936690, 1092805, 1124028, 1248920, 1311366, 1405035, 1748488, 1873380, 1967049, 2185610, 2248056, 2622732, 2810070, 3278415, 3746760, 3934098, 4371220, 5245464, 5620140, 6556830, 7868196, 8742440, 9835245, 11240280, 13113660, 15736392, 19670490, 26227320, 39340980, 78681960]

約数ペア:

[(1, 78681960), (2, 39340980), (3, 26227320), (4, 19670490), (5, 15736392), (6, 13113660), (7, 11240280), (8, 9835245), (9, 8742440), (10, 7868196), (12, 6556830), (14, 5620140), (15, 5245464), (18, 4371220), (20, 3934098), (21, 3746760), (24, 3278415), (28, 2810070), (30, 2622732), (35, 2248056), (36, 2185610), (40, 1967049), (42, 1873380), (45, 1748488), (56, 1405035), (60, 1311366), (63, 1248920), (70, 1124028), (72, 1092805), (84, 936690), (90, 874244), (105, 749352), (120, 655683), (126, 624460), (140, 562014), (168, 468345), (180, 437122), (210, 374676), (252, 312230), (280, 281007), (315, 249784), (360, 218561), (420, 187338), (504, 156115), (630, 124892), (840, 93669), (1260, 62446), (2520, 31223)]