445688880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20443

約数の個数: 160

約数和(自身を含む): 1700557824

約数和(自身を除く): 1254868944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 20407, 21840, 40814, 61221, 81628, 102035, 122442, 142849, 163256, 204070, 244884, 265291, 285698, 306105, 326512, 408140, 428547, 489768, 530582, 571396, 612210, 714245, 795873, 816280, 857094, 979536, 1061164, 1142792, 1224420, 1326455, 1428490, 1591746, 1632560, 1714188, 1857037, 2122328, 2142735, 2285584, 2448840, 2652910, 2856980, 3183492, 3428376, 3714074, 3979365, 4244656, 4285470, 4897680, 5305820, 5571111, 5713960, 6366984, 6856752, 7428148, 7958730, 8570940, 9285185, 10611640, 11142222, 11427920, 12733968, 14856296, 15917460, 17141880, 18570370, 21223280, 22284444, 27855555, 29712592, 31834920, 34283760, 37140740, 44568888, 55711110, 63669840, 74281480, 89137776, 111422220, 148562960, 222844440, 445688880]

約数ペア:

[(1, 445688880), (2, 222844440), (3, 148562960), (4, 111422220), (5, 89137776), (6, 74281480), (7, 63669840), (8, 55711110), (10, 44568888), (12, 37140740), (13, 34283760), (14, 31834920), (15, 29712592), (16, 27855555), (20, 22284444), (21, 21223280), (24, 18570370), (26, 17141880), (28, 15917460), (30, 14856296), (35, 12733968), (39, 11427920), (40, 11142222), (42, 10611640), (48, 9285185), (52, 8570940), (56, 7958730), (60, 7428148), (65, 6856752), (70, 6366984), (78, 5713960), (80, 5571111), (84, 5305820), (91, 4897680), (104, 4285470), (105, 4244656), (112, 3979365), (120, 3714074), (130, 3428376), (140, 3183492), (156, 2856980), (168, 2652910), (182, 2448840), (195, 2285584), (208, 2142735), (210, 2122328), (240, 1857037), (260, 1714188), (273, 1632560), (280, 1591746), (312, 1428490), (336, 1326455), (364, 1224420), (390, 1142792), (420, 1061164), (455, 979536), (520, 857094), (546, 816280), (560, 795873), (624, 714245), (728, 612210), (780, 571396), (840, 530582), (910, 489768), (1040, 428547), (1092, 408140), (1365, 326512), (1456, 306105), (1560, 285698), (1680, 265291), (1820, 244884), (2184, 204070), (2730, 163256), (3120, 142849), (3640, 122442), (4368, 102035), (5460, 81628), (7280, 61221), (10920, 40814), (20407, 21840)]