1777776780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{25609}}^1$

素因数の和:25723

約数の個数: 96

約数和(自身を含む): 5421124800

約数和(自身を除く): 3643348020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 445, 534, 780, 890, 1068, 1157, 1335, 1780, 2314, 2670, 3471, 4628, 5340, 5785, 6942, 11570, 13884, 17355, 23140, 25609, 34710, 51218, 69420, 76827, 102436, 128045, 153654, 256090, 307308, 332917, 384135, 512180, 665834, 768270, 998751, 1331668, 1536540, 1664585, 1997502, 2279201, 3329170, 3995004, 4558402, 4993755, 6658340, 6837603, 9116804, 9987510, 11396005, 13675206, 19975020, 22792010, 27350412, 29629613, 34188015, 45584020, 59259226, 68376030, 88888839, 118518452, 136752060, 148148065, 177777678, 296296130, 355555356, 444444195, 592592260, 888888390, 1777776780]

約数ペア:

[(1, 1777776780), (2, 888888390), (3, 592592260), (4, 444444195), (5, 355555356), (6, 296296130), (10, 177777678), (12, 148148065), (13, 136752060), (15, 118518452), (20, 88888839), (26, 68376030), (30, 59259226), (39, 45584020), (52, 34188015), (60, 29629613), (65, 27350412), (78, 22792010), (89, 19975020), (130, 13675206), (156, 11396005), (178, 9987510), (195, 9116804), (260, 6837603), (267, 6658340), (356, 4993755), (390, 4558402), (445, 3995004), (534, 3329170), (780, 2279201), (890, 1997502), (1068, 1664585), (1157, 1536540), (1335, 1331668), (1780, 998751), (2314, 768270), (2670, 665834), (3471, 512180), (4628, 384135), (5340, 332917), (5785, 307308), (6942, 256090), (11570, 153654), (13884, 128045), (17355, 102436), (23140, 76827), (25609, 69420), (34710, 51218)]