128548420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6421}}^1$

素因数の和:6461

約数の個数: 96

約数和(自身を含む): 362509056

約数和(自身を除く): 233960636

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 6421, 10010, 12842, 20020, 25684, 32105, 44947, 64210, 70631, 83473, 89894, 128420, 141262, 166946, 179788, 224735, 282524, 333892, 353155, 417365, 449470, 494417, 584311, 706310, 834730, 898940, 918203, 988834, 1168622, 1412620, 1669460, 1836406, 1977668, 2337244, 2472085, 2921555, 3672812, 4591015, 4944170, 5843110, 6427421, 9182030, 9888340, 11686220, 12854842, 18364060, 25709684, 32137105, 64274210, 128548420]

約数ペア:

[(1, 128548420), (2, 64274210), (4, 32137105), (5, 25709684), (7, 18364060), (10, 12854842), (11, 11686220), (13, 9888340), (14, 9182030), (20, 6427421), (22, 5843110), (26, 4944170), (28, 4591015), (35, 3672812), (44, 2921555), (52, 2472085), (55, 2337244), (65, 1977668), (70, 1836406), (77, 1669460), (91, 1412620), (110, 1168622), (130, 988834), (140, 918203), (143, 898940), (154, 834730), (182, 706310), (220, 584311), (260, 494417), (286, 449470), (308, 417365), (364, 353155), (385, 333892), (455, 282524), (572, 224735), (715, 179788), (770, 166946), (910, 141262), (1001, 128420), (1430, 89894), (1540, 83473), (1820, 70631), (2002, 64210), (2860, 44947), (4004, 32105), (5005, 25684), (6421, 20020), (10010, 12842)]