64205880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 206046720

約数和(自身を除く): 141840840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 541, 552, 645, 690, 860, 920, 989, 1032, 1082, 1290, 1380, 1623, 1720, 1978, 2164, 2580, 2705, 2760, 2967, 3246, 3956, 4328, 4945, 5160, 5410, 5934, 6492, 7912, 8115, 9890, 10820, 11868, 12443, 12984, 14835, 16230, 19780, 21640, 23263, 23736, 24886, 29670, 32460, 37329, 39560, 46526, 49772, 59340, 62215, 64920, 69789, 74658, 93052, 99544, 116315, 118680, 124430, 139578, 149316, 186104, 186645, 232630, 248860, 279156, 298632, 348945, 373290, 465260, 497720, 535049, 558312, 697890, 746580, 930520, 1070098, 1395780, 1493160, 1605147, 2140196, 2675245, 2791560, 3210294, 4280392, 5350490, 6420588, 8025735, 10700980, 12841176, 16051470, 21401960, 32102940, 64205880]

約数ペア:

[(1, 64205880), (2, 32102940), (3, 21401960), (4, 16051470), (5, 12841176), (6, 10700980), (8, 8025735), (10, 6420588), (12, 5350490), (15, 4280392), (20, 3210294), (23, 2791560), (24, 2675245), (30, 2140196), (40, 1605147), (43, 1493160), (46, 1395780), (60, 1070098), (69, 930520), (86, 746580), (92, 697890), (115, 558312), (120, 535049), (129, 497720), (138, 465260), (172, 373290), (184, 348945), (215, 298632), (230, 279156), (258, 248860), (276, 232630), (344, 186645), (345, 186104), (430, 149316), (460, 139578), (516, 124430), (541, 118680), (552, 116315), (645, 99544), (690, 93052), (860, 74658), (920, 69789), (989, 64920), (1032, 62215), (1082, 59340), (1290, 49772), (1380, 46526), (1623, 39560), (1720, 37329), (1978, 32460), (2164, 29670), (2580, 24886), (2705, 23736), (2760, 23263), (2967, 21640), (3246, 19780), (3956, 16230), (4328, 14835), (4945, 12984), (5160, 12443), (5410, 11868), (5934, 10820), (6492, 9890), (7912, 8115)]