65416780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 163840320

約数和(自身を除く): 98423540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 110, 130, 143, 178, 220, 257, 260, 286, 356, 445, 514, 572, 715, 890, 979, 1028, 1157, 1285, 1430, 1780, 1958, 2314, 2570, 2827, 2860, 3341, 3916, 4628, 4895, 5140, 5654, 5785, 6682, 9790, 11308, 11570, 12727, 13364, 14135, 16705, 19580, 22873, 23140, 25454, 28270, 33410, 36751, 45746, 50908, 56540, 63635, 66820, 73502, 91492, 114365, 127270, 147004, 183755, 228730, 251603, 254540, 297349, 367510, 457460, 503206, 594698, 735020, 1006412, 1189396, 1258015, 1486745, 2516030, 2973490, 3270839, 5032060, 5946980, 6541678, 13083356, 16354195, 32708390, 65416780]

約数ペア:

[(1, 65416780), (2, 32708390), (4, 16354195), (5, 13083356), (10, 6541678), (11, 5946980), (13, 5032060), (20, 3270839), (22, 2973490), (26, 2516030), (44, 1486745), (52, 1258015), (55, 1189396), (65, 1006412), (89, 735020), (110, 594698), (130, 503206), (143, 457460), (178, 367510), (220, 297349), (257, 254540), (260, 251603), (286, 228730), (356, 183755), (445, 147004), (514, 127270), (572, 114365), (715, 91492), (890, 73502), (979, 66820), (1028, 63635), (1157, 56540), (1285, 50908), (1430, 45746), (1780, 36751), (1958, 33410), (2314, 28270), (2570, 25454), (2827, 23140), (2860, 22873), (3341, 19580), (3916, 16705), (4628, 14135), (4895, 13364), (5140, 12727), (5654, 11570), (5785, 11308), (6682, 9790)]