100720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 323870400

約数和(自身を除く): 223149480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 97, 102, 120, 136, 170, 194, 204, 255, 291, 340, 388, 408, 485, 509, 510, 582, 680, 776, 970, 1018, 1020, 1164, 1455, 1527, 1649, 1940, 2036, 2040, 2328, 2545, 2910, 3054, 3298, 3880, 4072, 4947, 5090, 5820, 6108, 6596, 7635, 8245, 8653, 9894, 10180, 11640, 12216, 13192, 15270, 16490, 17306, 19788, 20360, 24735, 25959, 30540, 32980, 34612, 39576, 43265, 49373, 49470, 51918, 61080, 65960, 69224, 86530, 98746, 98940, 103836, 129795, 148119, 173060, 197492, 197880, 207672, 246865, 259590, 296238, 346120, 394984, 493730, 519180, 592476, 740595, 839341, 987460, 1038360, 1184952, 1481190, 1678682, 1974920, 2518023, 2962380, 3357364, 4196705, 5036046, 5924760, 6714728, 8393410, 10072092, 12590115, 16786820, 20144184, 25180230, 33573640, 50360460, 100720920]

約数ペア:

[(1, 100720920), (2, 50360460), (3, 33573640), (4, 25180230), (5, 20144184), (6, 16786820), (8, 12590115), (10, 10072092), (12, 8393410), (15, 6714728), (17, 5924760), (20, 5036046), (24, 4196705), (30, 3357364), (34, 2962380), (40, 2518023), (51, 1974920), (60, 1678682), (68, 1481190), (85, 1184952), (97, 1038360), (102, 987460), (120, 839341), (136, 740595), (170, 592476), (194, 519180), (204, 493730), (255, 394984), (291, 346120), (340, 296238), (388, 259590), (408, 246865), (485, 207672), (509, 197880), (510, 197492), (582, 173060), (680, 148119), (776, 129795), (970, 103836), (1018, 98940), (1020, 98746), (1164, 86530), (1455, 69224), (1527, 65960), (1649, 61080), (1940, 51918), (2036, 49470), (2040, 49373), (2328, 43265), (2545, 39576), (2910, 34612), (3054, 32980), (3298, 30540), (3880, 25959), (4072, 24735), (4947, 20360), (5090, 19788), (5820, 17306), (6108, 16490), (6596, 15270), (7635, 13192), (8245, 12216), (8653, 11640), (9894, 10180)]