128099440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 361119744

約数和(自身を除く): 233020304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 157, 188, 217, 235, 248, 280, 310, 314, 329, 376, 434, 470, 496, 560, 620, 628, 658, 752, 785, 868, 940, 1085, 1099, 1240, 1256, 1316, 1457, 1570, 1645, 1736, 1880, 2170, 2198, 2480, 2512, 2632, 2914, 3140, 3290, 3472, 3760, 4340, 4396, 4867, 5264, 5495, 5828, 6280, 6580, 7285, 7379, 8680, 8792, 9734, 10199, 10990, 11656, 12560, 13160, 14570, 14758, 17360, 17584, 19468, 20398, 21980, 23312, 24335, 26320, 29140, 29516, 34069, 36895, 38936, 40796, 43960, 48670, 50995, 51653, 58280, 59032, 68138, 73790, 77872, 81592, 87920, 97340, 101990, 103306, 116560, 118064, 136276, 147580, 163184, 170345, 194680, 203980, 206612, 228749, 258265, 272552, 295160, 340690, 389360, 407960, 413224, 457498, 516530, 545104, 590320, 681380, 815920, 826448, 914996, 1033060, 1143745, 1362760, 1601243, 1829992, 2066120, 2287490, 2725520, 3202486, 3659984, 4132240, 4574980, 6404972, 8006215, 9149960, 12809944, 16012430, 18299920, 25619888, 32024860, 64049720, 128099440]

約数ペア:

[(1, 128099440), (2, 64049720), (4, 32024860), (5, 25619888), (7, 18299920), (8, 16012430), (10, 12809944), (14, 9149960), (16, 8006215), (20, 6404972), (28, 4574980), (31, 4132240), (35, 3659984), (40, 3202486), (47, 2725520), (56, 2287490), (62, 2066120), (70, 1829992), (80, 1601243), (94, 1362760), (112, 1143745), (124, 1033060), (140, 914996), (155, 826448), (157, 815920), (188, 681380), (217, 590320), (235, 545104), (248, 516530), (280, 457498), (310, 413224), (314, 407960), (329, 389360), (376, 340690), (434, 295160), (470, 272552), (496, 258265), (560, 228749), (620, 206612), (628, 203980), (658, 194680), (752, 170345), (785, 163184), (868, 147580), (940, 136276), (1085, 118064), (1099, 116560), (1240, 103306), (1256, 101990), (1316, 97340), (1457, 87920), (1570, 81592), (1645, 77872), (1736, 73790), (1880, 68138), (2170, 59032), (2198, 58280), (2480, 51653), (2512, 50995), (2632, 48670), (2914, 43960), (3140, 40796), (3290, 38936), (3472, 36895), (3760, 34069), (4340, 29516), (4396, 29140), (4867, 26320), (5264, 24335), (5495, 23312), (5828, 21980), (6280, 20398), (6580, 19468), (7285, 17584), (7379, 17360), (8680, 14758), (8792, 14570), (9734, 13160), (10199, 12560), (10990, 11656)]