31212300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 104993280

約数和(自身を除く): 73780980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 89, 100, 105, 140, 150, 167, 175, 178, 210, 267, 300, 334, 350, 356, 420, 445, 501, 525, 534, 623, 668, 700, 835, 890, 1002, 1050, 1068, 1169, 1246, 1335, 1670, 1780, 1869, 2004, 2100, 2225, 2338, 2492, 2505, 2670, 3115, 3340, 3507, 3738, 4175, 4450, 4676, 5010, 5340, 5845, 6230, 6675, 7014, 7476, 8350, 8900, 9345, 10020, 11690, 12460, 12525, 13350, 14028, 14863, 15575, 16700, 17535, 18690, 23380, 25050, 26700, 29225, 29726, 31150, 35070, 37380, 44589, 46725, 50100, 58450, 59452, 62300, 70140, 74315, 87675, 89178, 93450, 104041, 116900, 148630, 175350, 178356, 186900, 208082, 222945, 297260, 312123, 350700, 371575, 416164, 445890, 520205, 624246, 743150, 891780, 1040410, 1114725, 1248492, 1486300, 1560615, 2080820, 2229450, 2601025, 3121230, 4458900, 5202050, 6242460, 7803075, 10404100, 15606150, 31212300]

約数ペア:

[(1, 31212300), (2, 15606150), (3, 10404100), (4, 7803075), (5, 6242460), (6, 5202050), (7, 4458900), (10, 3121230), (12, 2601025), (14, 2229450), (15, 2080820), (20, 1560615), (21, 1486300), (25, 1248492), (28, 1114725), (30, 1040410), (35, 891780), (42, 743150), (50, 624246), (60, 520205), (70, 445890), (75, 416164), (84, 371575), (89, 350700), (100, 312123), (105, 297260), (140, 222945), (150, 208082), (167, 186900), (175, 178356), (178, 175350), (210, 148630), (267, 116900), (300, 104041), (334, 93450), (350, 89178), (356, 87675), (420, 74315), (445, 70140), (501, 62300), (525, 59452), (534, 58450), (623, 50100), (668, 46725), (700, 44589), (835, 37380), (890, 35070), (1002, 31150), (1050, 29726), (1068, 29225), (1169, 26700), (1246, 25050), (1335, 23380), (1670, 18690), (1780, 17535), (1869, 16700), (2004, 15575), (2100, 14863), (2225, 14028), (2338, 13350), (2492, 12525), (2505, 12460), (2670, 11690), (3115, 10020), (3340, 9345), (3507, 8900), (3738, 8350), (4175, 7476), (4450, 7014), (4676, 6675), (5010, 6230), (5340, 5845)]