31361820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 70244580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 839, 890, 1068, 1246, 1335, 1678, 1780, 1869, 2492, 2517, 2670, 3115, 3356, 3738, 4195, 5034, 5340, 5873, 6230, 7476, 8390, 9345, 10068, 11746, 12460, 12585, 16780, 17619, 18690, 23492, 25170, 29365, 35238, 37380, 50340, 58730, 70476, 74671, 88095, 117460, 149342, 176190, 224013, 298684, 352380, 373355, 448026, 522697, 746710, 896052, 1045394, 1120065, 1493420, 1568091, 2090788, 2240130, 2613485, 3136182, 4480260, 5226970, 6272364, 7840455, 10453940, 15680910, 31361820]

約数ペア:

[(1, 31361820), (2, 15680910), (3, 10453940), (4, 7840455), (5, 6272364), (6, 5226970), (7, 4480260), (10, 3136182), (12, 2613485), (14, 2240130), (15, 2090788), (20, 1568091), (21, 1493420), (28, 1120065), (30, 1045394), (35, 896052), (42, 746710), (60, 522697), (70, 448026), (84, 373355), (89, 352380), (105, 298684), (140, 224013), (178, 176190), (210, 149342), (267, 117460), (356, 88095), (420, 74671), (445, 70476), (534, 58730), (623, 50340), (839, 37380), (890, 35238), (1068, 29365), (1246, 25170), (1335, 23492), (1678, 18690), (1780, 17619), (1869, 16780), (2492, 12585), (2517, 12460), (2670, 11746), (3115, 10068), (3356, 9345), (3738, 8390), (4195, 7476), (5034, 6230), (5340, 5873)]