25007220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 63051660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 223, 252, 267, 315, 356, 420, 445, 446, 534, 623, 630, 669, 801, 890, 892, 1068, 1115, 1246, 1260, 1335, 1338, 1561, 1602, 1780, 1869, 2007, 2230, 2492, 2670, 2676, 3115, 3122, 3204, 3345, 3738, 4005, 4014, 4460, 4683, 5340, 5607, 6230, 6244, 6690, 7476, 7805, 8010, 8028, 9345, 9366, 10035, 11214, 12460, 13380, 14049, 15610, 16020, 18690, 18732, 19847, 20070, 22428, 23415, 28035, 28098, 31220, 37380, 39694, 40140, 46830, 56070, 56196, 59541, 70245, 79388, 93660, 99235, 112140, 119082, 138929, 140490, 178623, 198470, 238164, 277858, 280980, 297705, 357246, 396940, 416787, 555716, 595410, 694645, 714492, 833574, 893115, 1190820, 1250361, 1389290, 1667148, 1786230, 2083935, 2500722, 2778580, 3572460, 4167870, 5001444, 6251805, 8335740, 12503610, 25007220]

約数ペア:

[(1, 25007220), (2, 12503610), (3, 8335740), (4, 6251805), (5, 5001444), (6, 4167870), (7, 3572460), (9, 2778580), (10, 2500722), (12, 2083935), (14, 1786230), (15, 1667148), (18, 1389290), (20, 1250361), (21, 1190820), (28, 893115), (30, 833574), (35, 714492), (36, 694645), (42, 595410), (45, 555716), (60, 416787), (63, 396940), (70, 357246), (84, 297705), (89, 280980), (90, 277858), (105, 238164), (126, 198470), (140, 178623), (178, 140490), (180, 138929), (210, 119082), (223, 112140), (252, 99235), (267, 93660), (315, 79388), (356, 70245), (420, 59541), (445, 56196), (446, 56070), (534, 46830), (623, 40140), (630, 39694), (669, 37380), (801, 31220), (890, 28098), (892, 28035), (1068, 23415), (1115, 22428), (1246, 20070), (1260, 19847), (1335, 18732), (1338, 18690), (1561, 16020), (1602, 15610), (1780, 14049), (1869, 13380), (2007, 12460), (2230, 11214), (2492, 10035), (2670, 9366), (2676, 9345), (3115, 8028), (3122, 8010), (3204, 7805), (3345, 7476), (3738, 6690), (4005, 6244), (4014, 6230), (4460, 5607), (4683, 5340)]