18720249744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{2719}}^1$

素因数の和:3429

約数の個数: 160

約数和(自身を含む): 57159516160

約数和(自身を除く): 38439266416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 661, 744, 868, 1302, 1322, 1488, 1736, 1983, 2604, 2644, 2719, 3472, 3966, 4627, 5208, 5288, 5438, 7932, 8157, 9254, 10416, 10576, 10876, 13881, 15864, 16314, 18508, 19033, 20491, 21752, 27762, 31728, 32628, 37016, 38066, 40982, 43504, 55524, 57099, 61473, 65256, 74032, 76132, 81964, 84289, 111048, 114198, 122946, 130512, 143437, 152264, 163928, 168578, 222096, 228396, 245892, 252867, 286874, 304528, 327856, 337156, 430311, 456792, 491784, 505734, 573748, 590023, 674312, 860622, 913584, 983568, 1011468, 1147496, 1180046, 1348624, 1721244, 1770069, 1797259, 2022936, 2294992, 2360092, 3442488, 3540138, 3594518, 4045872, 4720184, 5391777, 6884976, 7080276, 7189036, 9440368, 10783554, 12580813, 14160552, 14378072, 21567108, 25161626, 28321104, 28756144, 37742439, 43134216, 50323252, 55715029, 75484878, 86268432, 100646504, 111430058, 150969756, 167145087, 201293008, 222860116, 301939512, 334290174, 390005203, 445720232, 603879024, 668580348, 780010406, 891440464, 1170015609, 1337160696, 1560020812, 2340031218, 2674321392, 3120041624, 4680062436, 6240083248, 9360124872, 18720249744]

約数ペア:

[(1, 18720249744), (2, 9360124872), (3, 6240083248), (4, 4680062436), (6, 3120041624), (7, 2674321392), (8, 2340031218), (12, 1560020812), (14, 1337160696), (16, 1170015609), (21, 891440464), (24, 780010406), (28, 668580348), (31, 603879024), (42, 445720232), (48, 390005203), (56, 334290174), (62, 301939512), (84, 222860116), (93, 201293008), (112, 167145087), (124, 150969756), (168, 111430058), (186, 100646504), (217, 86268432), (248, 75484878), (336, 55715029), (372, 50323252), (434, 43134216), (496, 37742439), (651, 28756144), (661, 28321104), (744, 25161626), (868, 21567108), (1302, 14378072), (1322, 14160552), (1488, 12580813), (1736, 10783554), (1983, 9440368), (2604, 7189036), (2644, 7080276), (2719, 6884976), (3472, 5391777), (3966, 4720184), (4627, 4045872), (5208, 3594518), (5288, 3540138), (5438, 3442488), (7932, 2360092), (8157, 2294992), (9254, 2022936), (10416, 1797259), (10576, 1770069), (10876, 1721244), (13881, 1348624), (15864, 1180046), (16314, 1147496), (18508, 1011468), (19033, 983568), (20491, 913584), (21752, 860622), (27762, 674312), (31728, 590023), (32628, 573748), (37016, 505734), (38066, 491784), (40982, 456792), (43504, 430311), (55524, 337156), (57099, 327856), (61473, 304528), (65256, 286874), (74032, 252867), (76132, 245892), (81964, 228396), (84289, 222096), (111048, 168578), (114198, 163928), (122946, 152264), (130512, 143437)]