77884400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 120

約数和(自身を含む): 211081728

約数和(自身を除く): 133197328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 571, 620, 682, 775, 880, 1100, 1142, 1240, 1364, 1550, 1705, 2200, 2284, 2480, 2728, 2855, 3100, 3410, 4400, 4568, 5456, 5710, 6200, 6281, 6820, 8525, 9136, 11420, 12400, 12562, 13640, 14275, 17050, 17701, 22840, 25124, 27280, 28550, 31405, 34100, 35402, 45680, 50248, 57100, 62810, 68200, 70804, 88505, 100496, 114200, 125620, 136400, 141608, 157025, 177010, 194711, 228400, 251240, 283216, 314050, 354020, 389422, 442525, 502480, 628100, 708040, 778844, 885050, 973555, 1256200, 1416080, 1557688, 1770100, 1947110, 2512400, 3115376, 3540200, 3894220, 4867775, 7080400, 7788440, 9735550, 15576880, 19471100, 38942200, 77884400]

約数ペア:

[(1, 77884400), (2, 38942200), (4, 19471100), (5, 15576880), (8, 9735550), (10, 7788440), (11, 7080400), (16, 4867775), (20, 3894220), (22, 3540200), (25, 3115376), (31, 2512400), (40, 1947110), (44, 1770100), (50, 1557688), (55, 1416080), (62, 1256200), (80, 973555), (88, 885050), (100, 778844), (110, 708040), (124, 628100), (155, 502480), (176, 442525), (200, 389422), (220, 354020), (248, 314050), (275, 283216), (310, 251240), (341, 228400), (400, 194711), (440, 177010), (496, 157025), (550, 141608), (571, 136400), (620, 125620), (682, 114200), (775, 100496), (880, 88505), (1100, 70804), (1142, 68200), (1240, 62810), (1364, 57100), (1550, 50248), (1705, 45680), (2200, 35402), (2284, 34100), (2480, 31405), (2728, 28550), (2855, 27280), (3100, 25124), (3410, 22840), (4400, 17701), (4568, 17050), (5456, 14275), (5710, 13640), (6200, 12562), (6281, 12400), (6820, 11420), (8525, 9136)]