9880780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 26248320

約数和(自身を除く): 16367540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 89, 91, 122, 130, 140, 178, 182, 244, 260, 305, 356, 364, 427, 445, 455, 610, 623, 793, 854, 890, 910, 1157, 1220, 1246, 1586, 1708, 1780, 1820, 2135, 2314, 2492, 3115, 3172, 3965, 4270, 4628, 5429, 5551, 5785, 6230, 7930, 8099, 8540, 10858, 11102, 11570, 12460, 15860, 16198, 21716, 22204, 23140, 27145, 27755, 32396, 38003, 40495, 54290, 55510, 70577, 76006, 80990, 108580, 111020, 141154, 152012, 161980, 190015, 282308, 352885, 380030, 494039, 705770, 760060, 988078, 1411540, 1976156, 2470195, 4940390, 9880780]

約数ペア:

[(1, 9880780), (2, 4940390), (4, 2470195), (5, 1976156), (7, 1411540), (10, 988078), (13, 760060), (14, 705770), (20, 494039), (26, 380030), (28, 352885), (35, 282308), (52, 190015), (61, 161980), (65, 152012), (70, 141154), (89, 111020), (91, 108580), (122, 80990), (130, 76006), (140, 70577), (178, 55510), (182, 54290), (244, 40495), (260, 38003), (305, 32396), (356, 27755), (364, 27145), (427, 23140), (445, 22204), (455, 21716), (610, 16198), (623, 15860), (793, 12460), (854, 11570), (890, 11102), (910, 10858), (1157, 8540), (1220, 8099), (1246, 7930), (1586, 6230), (1708, 5785), (1780, 5551), (1820, 5429), (2135, 4628), (2314, 4270), (2492, 3965), (3115, 3172)]