1284640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 3677184

約数和(自身を除く): 2392544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 160, 185, 217, 224, 248, 259, 280, 296, 310, 370, 434, 496, 518, 560, 592, 620, 740, 868, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1295, 1480, 1736, 2072, 2170, 2294, 2480, 2590, 2960, 3472, 4144, 4340, 4588, 4960, 5180, 5735, 5920, 6944, 8029, 8288, 8680, 9176, 10360, 11470, 16058, 17360, 18352, 20720, 22940, 32116, 34720, 36704, 40145, 41440, 45880, 64232, 80290, 91760, 128464, 160580, 183520, 256928, 321160, 642320, 1284640]

約数ペア:

[(1, 1284640), (2, 642320), (4, 321160), (5, 256928), (7, 183520), (8, 160580), (10, 128464), (14, 91760), (16, 80290), (20, 64232), (28, 45880), (31, 41440), (32, 40145), (35, 36704), (37, 34720), (40, 32116), (56, 22940), (62, 20720), (70, 18352), (74, 17360), (80, 16058), (112, 11470), (124, 10360), (140, 9176), (148, 8680), (155, 8288), (160, 8029), (185, 6944), (217, 5920), (224, 5735), (248, 5180), (259, 4960), (280, 4588), (296, 4340), (310, 4144), (370, 3472), (434, 2960), (496, 2590), (518, 2480), (560, 2294), (592, 2170), (620, 2072), (740, 1736), (868, 1480), (992, 1295), (1036, 1240), (1085, 1184), (1120, 1147)]