686539980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{77839}}^1$

素因数の和:77868

約数の個数: 108

約数和(自身を含む): 2422536480

約数和(自身を除く): 1735996500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 77839, 155678, 233517, 311356, 389195, 467034, 544873, 700551, 778390, 934068, 1089746, 1167585, 1401102, 1556780, 1634619, 2179492, 2335170, 2724365, 2802204, 3269238, 3502755, 3814111, 4670340, 4903857, 5448730, 6538476, 7005510, 7628222, 8173095, 9807714, 10897460, 11442333, 14011020, 15256444, 16346190, 19070555, 19615428, 22884666, 24519285, 32692380, 34326999, 38141110, 45769332, 49038570, 57211665, 68653998, 76282220, 98077140, 114423330, 137307996, 171634995, 228846660, 343269990, 686539980]

約数ペア:

[(1, 686539980), (2, 343269990), (3, 228846660), (4, 171634995), (5, 137307996), (6, 114423330), (7, 98077140), (9, 76282220), (10, 68653998), (12, 57211665), (14, 49038570), (15, 45769332), (18, 38141110), (20, 34326999), (21, 32692380), (28, 24519285), (30, 22884666), (35, 19615428), (36, 19070555), (42, 16346190), (45, 15256444), (49, 14011020), (60, 11442333), (63, 10897460), (70, 9807714), (84, 8173095), (90, 7628222), (98, 7005510), (105, 6538476), (126, 5448730), (140, 4903857), (147, 4670340), (180, 3814111), (196, 3502755), (210, 3269238), (245, 2802204), (252, 2724365), (294, 2335170), (315, 2179492), (420, 1634619), (441, 1556780), (490, 1401102), (588, 1167585), (630, 1089746), (735, 934068), (882, 778390), (980, 700551), (1260, 544873), (1470, 467034), (1764, 389195), (2205, 311356), (2940, 233517), (4410, 155678), (8820, 77839)]