31564740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 93623040

約数和(自身を除く): 62058300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 178, 230, 257, 267, 276, 345, 356, 445, 460, 514, 534, 690, 771, 890, 1028, 1068, 1285, 1335, 1380, 1542, 1780, 2047, 2570, 2670, 3084, 3855, 4094, 5140, 5340, 5911, 6141, 7710, 8188, 10235, 11822, 12282, 15420, 17733, 20470, 22873, 23644, 24564, 29555, 30705, 35466, 40940, 45746, 59110, 61410, 68619, 70932, 88665, 91492, 114365, 118220, 122820, 137238, 177330, 228730, 274476, 343095, 354660, 457460, 526079, 686190, 1052158, 1372380, 1578237, 2104316, 2630395, 3156474, 5260790, 6312948, 7891185, 10521580, 15782370, 31564740]

約数ペア:

[(1, 31564740), (2, 15782370), (3, 10521580), (4, 7891185), (5, 6312948), (6, 5260790), (10, 3156474), (12, 2630395), (15, 2104316), (20, 1578237), (23, 1372380), (30, 1052158), (46, 686190), (60, 526079), (69, 457460), (89, 354660), (92, 343095), (115, 274476), (138, 228730), (178, 177330), (230, 137238), (257, 122820), (267, 118220), (276, 114365), (345, 91492), (356, 88665), (445, 70932), (460, 68619), (514, 61410), (534, 59110), (690, 45746), (771, 40940), (890, 35466), (1028, 30705), (1068, 29555), (1285, 24564), (1335, 23644), (1380, 22873), (1542, 20470), (1780, 17733), (2047, 15420), (2570, 12282), (2670, 11822), (3084, 10235), (3855, 8188), (4094, 7710), (5140, 6141), (5340, 5911)]