64049720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 174735360

約数和(自身を除く): 110685640

約数列:

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

約数ペア:

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