25215372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 80720640

約数和(自身を除く): 55505268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 179, 182, 234, 252, 258, 273, 301, 358, 364, 387, 468, 516, 537, 546, 559, 602, 716, 774, 819, 903, 1074, 1092, 1118, 1204, 1253, 1548, 1611, 1638, 1677, 1806, 2148, 2236, 2327, 2506, 2709, 3222, 3276, 3354, 3612, 3759, 3913, 4654, 5012, 5031, 5418, 6444, 6708, 6981, 7518, 7697, 7826, 9308, 10062, 10836, 11277, 11739, 13962, 15036, 15394, 15652, 16289, 20124, 20943, 22554, 23091, 23478, 27924, 30788, 32578, 35217, 41886, 45108, 46182, 46956, 48867, 53879, 65156, 69273, 70434, 83772, 92364, 97734, 100061, 107758, 138546, 140868, 146601, 161637, 195468, 200122, 215516, 277092, 293202, 300183, 323274, 400244, 484911, 586404, 600366, 646548, 700427, 900549, 969822, 1200732, 1400854, 1801098, 1939644, 2101281, 2801708, 3602196, 4202562, 6303843, 8405124, 12607686, 25215372]

約数ペア:

[(1, 25215372), (2, 12607686), (3, 8405124), (4, 6303843), (6, 4202562), (7, 3602196), (9, 2801708), (12, 2101281), (13, 1939644), (14, 1801098), (18, 1400854), (21, 1200732), (26, 969822), (28, 900549), (36, 700427), (39, 646548), (42, 600366), (43, 586404), (52, 484911), (63, 400244), (78, 323274), (84, 300183), (86, 293202), (91, 277092), (117, 215516), (126, 200122), (129, 195468), (156, 161637), (172, 146601), (179, 140868), (182, 138546), (234, 107758), (252, 100061), (258, 97734), (273, 92364), (301, 83772), (358, 70434), (364, 69273), (387, 65156), (468, 53879), (516, 48867), (537, 46956), (546, 46182), (559, 45108), (602, 41886), (716, 35217), (774, 32578), (819, 30788), (903, 27924), (1074, 23478), (1092, 23091), (1118, 22554), (1204, 20943), (1253, 20124), (1548, 16289), (1611, 15652), (1638, 15394), (1677, 15036), (1806, 13962), (2148, 11739), (2236, 11277), (2327, 10836), (2506, 10062), (2709, 9308), (3222, 7826), (3276, 7697), (3354, 7518), (3612, 6981), (3759, 6708), (3913, 6444), (4654, 5418), (5012, 5031)]