1321489260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80677}}^1$

素因数の和:80712

約数の個数: 144

約数和(自身を含む): 4933621056

約数和(自身を除く): 3612131796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 80677, 161354, 242031, 322708, 403385, 484062, 564739, 726093, 806770, 968124, 1048801, 1129478, 1210155, 1452186, 1613540, 1694217, 2097602, 2258956, 2420310, 2823695, 2904372, 3146403, 3388434, 3630465, 4195204, 4840620, 5082651, 5244005, 5647390, 6292806, 6776868, 7260930, 7341607, 8471085, 9439209, 10165302, 10488010, 11294780, 12585612, 14521860, 14683214, 15732015, 16942170, 18878418, 20330604, 20976020, 22024821, 25413255, 29366428, 31464030, 33884340, 36708035, 37756836, 44049642, 47196045, 50826510, 62928060, 66074463, 73416070, 88099284, 94392090, 101653020, 110124105, 132148926, 146832140, 188784180, 220248210, 264297852, 330372315, 440496420, 660744630, 1321489260]

約数ペア:

[(1, 1321489260), (2, 660744630), (3, 440496420), (4, 330372315), (5, 264297852), (6, 220248210), (7, 188784180), (9, 146832140), (10, 132148926), (12, 110124105), (13, 101653020), (14, 94392090), (15, 88099284), (18, 73416070), (20, 66074463), (21, 62928060), (26, 50826510), (28, 47196045), (30, 44049642), (35, 37756836), (36, 36708035), (39, 33884340), (42, 31464030), (45, 29366428), (52, 25413255), (60, 22024821), (63, 20976020), (65, 20330604), (70, 18878418), (78, 16942170), (84, 15732015), (90, 14683214), (91, 14521860), (105, 12585612), (117, 11294780), (126, 10488010), (130, 10165302), (140, 9439209), (156, 8471085), (180, 7341607), (182, 7260930), (195, 6776868), (210, 6292806), (234, 5647390), (252, 5244005), (260, 5082651), (273, 4840620), (315, 4195204), (364, 3630465), (390, 3388434), (420, 3146403), (455, 2904372), (468, 2823695), (546, 2420310), (585, 2258956), (630, 2097602), (780, 1694217), (819, 1613540), (910, 1452186), (1092, 1210155), (1170, 1129478), (1260, 1048801), (1365, 968124), (1638, 806770), (1820, 726093), (2340, 564739), (2730, 484062), (3276, 403385), (4095, 322708), (5460, 242031), (8190, 161354), (16380, 80677)]