78439560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 166504440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 107, 120, 123, 149, 164, 205, 214, 246, 298, 321, 328, 410, 428, 447, 492, 535, 596, 615, 642, 745, 820, 856, 894, 984, 1070, 1192, 1230, 1284, 1490, 1605, 1640, 1788, 2140, 2235, 2460, 2568, 2980, 3210, 3576, 4280, 4387, 4470, 4920, 5960, 6109, 6420, 8774, 8940, 12218, 12840, 13161, 15943, 17548, 17880, 18327, 21935, 24436, 26322, 30545, 31886, 35096, 36654, 43870, 47829, 48872, 52644, 61090, 63772, 65805, 73308, 79715, 87740, 91635, 95658, 105288, 122180, 127544, 131610, 146616, 159430, 175480, 183270, 191316, 239145, 244360, 263220, 318860, 366540, 382632, 478290, 526440, 637720, 653663, 733080, 956580, 1307326, 1913160, 1960989, 2614652, 3268315, 3921978, 5229304, 6536630, 7843956, 9804945, 13073260, 15687912, 19609890, 26146520, 39219780, 78439560]

約数ペア:

[(1, 78439560), (2, 39219780), (3, 26146520), (4, 19609890), (5, 15687912), (6, 13073260), (8, 9804945), (10, 7843956), (12, 6536630), (15, 5229304), (20, 3921978), (24, 3268315), (30, 2614652), (40, 1960989), (41, 1913160), (60, 1307326), (82, 956580), (107, 733080), (120, 653663), (123, 637720), (149, 526440), (164, 478290), (205, 382632), (214, 366540), (246, 318860), (298, 263220), (321, 244360), (328, 239145), (410, 191316), (428, 183270), (447, 175480), (492, 159430), (535, 146616), (596, 131610), (615, 127544), (642, 122180), (745, 105288), (820, 95658), (856, 91635), (894, 87740), (984, 79715), (1070, 73308), (1192, 65805), (1230, 63772), (1284, 61090), (1490, 52644), (1605, 48872), (1640, 47829), (1788, 43870), (2140, 36654), (2235, 35096), (2460, 31886), (2568, 30545), (2980, 26322), (3210, 24436), (3576, 21935), (4280, 18327), (4387, 17880), (4470, 17548), (4920, 15943), (5960, 13161), (6109, 12840), (6420, 12218), (8774, 8940)]