31045760

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 74908800

約数和(自身を除く): 43863040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 271, 320, 358, 542, 640, 716, 895, 1084, 1355, 1432, 1790, 2168, 2710, 2864, 3580, 4336, 5420, 5728, 7160, 8672, 10840, 11456, 14320, 17344, 21680, 22912, 28640, 34688, 43360, 48509, 57280, 86720, 97018, 114560, 173440, 194036, 242545, 388072, 485090, 776144, 970180, 1552288, 1940360, 3104576, 3880720, 6209152, 7761440, 15522880, 31045760]

約数ペア:

[(1, 31045760), (2, 15522880), (4, 7761440), (5, 6209152), (8, 3880720), (10, 3104576), (16, 1940360), (20, 1552288), (32, 970180), (40, 776144), (64, 485090), (80, 388072), (128, 242545), (160, 194036), (179, 173440), (271, 114560), (320, 97018), (358, 86720), (542, 57280), (640, 48509), (716, 43360), (895, 34688), (1084, 28640), (1355, 22912), (1432, 21680), (1790, 17344), (2168, 14320), (2710, 11456), (2864, 10840), (3580, 8672), (4336, 7160), (5420, 5728)]