1284977200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4143

約数の個数: 120

約数和(自身を含む): 3379967696

約数和(自身を除く): 2094990496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 61, 65, 80, 100, 104, 122, 130, 200, 208, 244, 260, 305, 325, 400, 488, 520, 610, 650, 793, 976, 1040, 1220, 1300, 1525, 1586, 2440, 2600, 3050, 3172, 3965, 4051, 4880, 5200, 6100, 6344, 7930, 8102, 12200, 12688, 15860, 16204, 19825, 20255, 24400, 31720, 32408, 39650, 40510, 52663, 63440, 64816, 79300, 81020, 101275, 105326, 158600, 162040, 202550, 210652, 247111, 263315, 317200, 324080, 405100, 421304, 494222, 526630, 810200, 842608, 988444, 1053260, 1235555, 1316575, 1620400, 1976888, 2106520, 2471110, 2633150, 3212443, 3953776, 4213040, 4942220, 5266300, 6177775, 6424886, 9884440, 10532600, 12355550, 12849772, 16062215, 19768880, 21065200, 24711100, 25699544, 32124430, 49422200, 51399088, 64248860, 80311075, 98844400, 128497720, 160622150, 256995440, 321244300, 642488600, 1284977200]

約数ペア:

[(1, 1284977200), (2, 642488600), (4, 321244300), (5, 256995440), (8, 160622150), (10, 128497720), (13, 98844400), (16, 80311075), (20, 64248860), (25, 51399088), (26, 49422200), (40, 32124430), (50, 25699544), (52, 24711100), (61, 21065200), (65, 19768880), (80, 16062215), (100, 12849772), (104, 12355550), (122, 10532600), (130, 9884440), (200, 6424886), (208, 6177775), (244, 5266300), (260, 4942220), (305, 4213040), (325, 3953776), (400, 3212443), (488, 2633150), (520, 2471110), (610, 2106520), (650, 1976888), (793, 1620400), (976, 1316575), (1040, 1235555), (1220, 1053260), (1300, 988444), (1525, 842608), (1586, 810200), (2440, 526630), (2600, 494222), (3050, 421304), (3172, 405100), (3965, 324080), (4051, 317200), (4880, 263315), (5200, 247111), (6100, 210652), (6344, 202550), (7930, 162040), (8102, 158600), (12200, 105326), (12688, 101275), (15860, 81020), (16204, 79300), (19825, 64816), (20255, 63440), (24400, 52663), (31720, 40510), (32408, 39650)]