8765554920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{6553}}^1$

素因数の和:6795

約数の個数: 128

約数和(自身を含む): 26840989440

約数和(自身を除く): 18075434520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 157, 213, 284, 314, 355, 426, 471, 568, 628, 710, 785, 852, 942, 1065, 1256, 1420, 1570, 1704, 1884, 2130, 2355, 2840, 3140, 3768, 4260, 4710, 6280, 6553, 8520, 9420, 11147, 13106, 18840, 19659, 22294, 26212, 32765, 33441, 39318, 44588, 52424, 55735, 65530, 66882, 78636, 89176, 98295, 111470, 131060, 133764, 157272, 167205, 196590, 222940, 262120, 267528, 334410, 393180, 445880, 465263, 668820, 786360, 930526, 1028821, 1337640, 1395789, 1861052, 2057642, 2326315, 2791578, 3086463, 3722104, 4115284, 4652630, 5144105, 5583156, 6172926, 6978945, 8230568, 9305260, 10288210, 11166312, 12345852, 13957890, 15432315, 18610520, 20576420, 24691704, 27915780, 30864630, 41152840, 55831560, 61729260, 73046291, 123458520, 146092582, 219138873, 292185164, 365231455, 438277746, 584370328, 730462910, 876555492, 1095694365, 1460925820, 1753110984, 2191388730, 2921851640, 4382777460, 8765554920]

約数ペア:

[(1, 8765554920), (2, 4382777460), (3, 2921851640), (4, 2191388730), (5, 1753110984), (6, 1460925820), (8, 1095694365), (10, 876555492), (12, 730462910), (15, 584370328), (20, 438277746), (24, 365231455), (30, 292185164), (40, 219138873), (60, 146092582), (71, 123458520), (120, 73046291), (142, 61729260), (157, 55831560), (213, 41152840), (284, 30864630), (314, 27915780), (355, 24691704), (426, 20576420), (471, 18610520), (568, 15432315), (628, 13957890), (710, 12345852), (785, 11166312), (852, 10288210), (942, 9305260), (1065, 8230568), (1256, 6978945), (1420, 6172926), (1570, 5583156), (1704, 5144105), (1884, 4652630), (2130, 4115284), (2355, 3722104), (2840, 3086463), (3140, 2791578), (3768, 2326315), (4260, 2057642), (4710, 1861052), (6280, 1395789), (6553, 1337640), (8520, 1028821), (9420, 930526), (11147, 786360), (13106, 668820), (18840, 465263), (19659, 445880), (22294, 393180), (26212, 334410), (32765, 267528), (33441, 262120), (39318, 222940), (44588, 196590), (52424, 167205), (55735, 157272), (65530, 133764), (66882, 131060), (78636, 111470), (89176, 98295)]