253754760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1669}}^1$

素因数の和:1871

約数の個数: 128

約数和(自身を含む): 875347200

約数和(自身を除く): 621592440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1448, 1669, 1810, 2172, 2534, 2715, 3338, 3620, 3801, 4344, 5007, 5068, 5430, 6335, 6676, 7240, 7602, 8345, 10014, 10136, 10860, 11683, 12670, 13352, 15204, 16690, 19005, 20028, 21720, 23366, 25035, 25340, 30408, 33380, 35049, 38010, 40056, 46732, 50070, 50680, 58415, 66760, 70098, 76020, 93464, 100140, 116830, 140196, 152040, 175245, 200280, 233660, 280392, 302089, 350490, 467320, 604178, 700980, 906267, 1208356, 1401960, 1510445, 1812534, 2114623, 2416712, 3020890, 3625068, 4229246, 4531335, 6041780, 6343869, 7250136, 8458492, 9062670, 10573115, 12083560, 12687738, 16916984, 18125340, 21146230, 25375476, 31719345, 36250680, 42292460, 50750952, 63438690, 84584920, 126877380, 253754760]

約数ペア:

[(1, 253754760), (2, 126877380), (3, 84584920), (4, 63438690), (5, 50750952), (6, 42292460), (7, 36250680), (8, 31719345), (10, 25375476), (12, 21146230), (14, 18125340), (15, 16916984), (20, 12687738), (21, 12083560), (24, 10573115), (28, 9062670), (30, 8458492), (35, 7250136), (40, 6343869), (42, 6041780), (56, 4531335), (60, 4229246), (70, 3625068), (84, 3020890), (105, 2416712), (120, 2114623), (140, 1812534), (168, 1510445), (181, 1401960), (210, 1208356), (280, 906267), (362, 700980), (420, 604178), (543, 467320), (724, 350490), (840, 302089), (905, 280392), (1086, 233660), (1267, 200280), (1448, 175245), (1669, 152040), (1810, 140196), (2172, 116830), (2534, 100140), (2715, 93464), (3338, 76020), (3620, 70098), (3801, 66760), (4344, 58415), (5007, 50680), (5068, 50070), (5430, 46732), (6335, 40056), (6676, 38010), (7240, 35049), (7602, 33380), (8345, 30408), (10014, 25340), (10136, 25035), (10860, 23366), (11683, 21720), (12670, 20028), (13352, 19005), (15204, 16690)]