61919657240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1\times {\mathrm{2621}}^1$

素因数の和:3385

約数の個数: 128

約数和(自身を含む): 160692940800

約数和(自身を除く): 98773283560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 607, 695, 973, 1112, 1214, 1390, 1946, 2428, 2621, 2780, 3035, 3892, 4249, 4856, 4865, 5242, 5560, 6070, 7784, 8498, 9730, 10484, 12140, 13105, 16996, 18347, 19460, 20968, 21245, 24280, 26210, 33992, 36694, 38920, 42490, 52420, 73388, 84373, 84980, 91735, 104840, 146776, 168746, 169960, 183470, 337492, 364319, 366940, 421865, 590611, 674984, 728638, 733880, 843730, 1181222, 1457276, 1590947, 1687460, 1821595, 2362444, 2550233, 2914552, 2953055, 3181894, 3374920, 3643190, 4724888, 5100466, 5906110, 6363788, 7286380, 7954735, 10200932, 11136629, 11812220, 12727576, 12751165, 14572760, 15909470, 20401864, 22273258, 23624440, 25502330, 31818940, 44546516, 51004660, 55683145, 63637880, 89093032, 102009320, 111366290, 221141633, 222732580, 442283266, 445465160, 884566532, 1105708165, 1547991431, 1769133064, 2211416330, 3095982862, 4422832660, 6191965724, 7739957155, 8845665320, 12383931448, 15479914310, 30959828620, 61919657240]

約数ペア:

[(1, 61919657240), (2, 30959828620), (4, 15479914310), (5, 12383931448), (7, 8845665320), (8, 7739957155), (10, 6191965724), (14, 4422832660), (20, 3095982862), (28, 2211416330), (35, 1769133064), (40, 1547991431), (56, 1105708165), (70, 884566532), (139, 445465160), (140, 442283266), (278, 222732580), (280, 221141633), (556, 111366290), (607, 102009320), (695, 89093032), (973, 63637880), (1112, 55683145), (1214, 51004660), (1390, 44546516), (1946, 31818940), (2428, 25502330), (2621, 23624440), (2780, 22273258), (3035, 20401864), (3892, 15909470), (4249, 14572760), (4856, 12751165), (4865, 12727576), (5242, 11812220), (5560, 11136629), (6070, 10200932), (7784, 7954735), (8498, 7286380), (9730, 6363788), (10484, 5906110), (12140, 5100466), (13105, 4724888), (16996, 3643190), (18347, 3374920), (19460, 3181894), (20968, 2953055), (21245, 2914552), (24280, 2550233), (26210, 2362444), (33992, 1821595), (36694, 1687460), (38920, 1590947), (42490, 1457276), (52420, 1181222), (73388, 843730), (84373, 733880), (84980, 728638), (91735, 674984), (104840, 590611), (146776, 421865), (168746, 366940), (169960, 364319), (183470, 337492)]