121971680

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 302279040

約数和(自身を除く): 180307360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 97, 116, 145, 160, 194, 232, 271, 290, 388, 464, 485, 542, 580, 776, 928, 970, 1084, 1160, 1355, 1552, 1940, 2168, 2320, 2710, 2813, 3104, 3880, 4336, 4640, 5420, 5626, 7760, 7859, 8672, 10840, 11252, 14065, 15520, 15718, 21680, 22504, 26287, 28130, 31436, 39295, 43360, 45008, 52574, 56260, 62872, 78590, 90016, 105148, 112520, 125744, 131435, 157180, 210296, 225040, 251488, 262870, 314360, 420592, 450080, 525740, 628720, 762323, 841184, 1051480, 1257440, 1524646, 2102960, 3049292, 3811615, 4205920, 6098584, 7623230, 12197168, 15246460, 24394336, 30492920, 60985840, 121971680]

約数ペア:

[(1, 121971680), (2, 60985840), (4, 30492920), (5, 24394336), (8, 15246460), (10, 12197168), (16, 7623230), (20, 6098584), (29, 4205920), (32, 3811615), (40, 3049292), (58, 2102960), (80, 1524646), (97, 1257440), (116, 1051480), (145, 841184), (160, 762323), (194, 628720), (232, 525740), (271, 450080), (290, 420592), (388, 314360), (464, 262870), (485, 251488), (542, 225040), (580, 210296), (776, 157180), (928, 131435), (970, 125744), (1084, 112520), (1160, 105148), (1355, 90016), (1552, 78590), (1940, 62872), (2168, 56260), (2320, 52574), (2710, 45008), (2813, 43360), (3104, 39295), (3880, 31436), (4336, 28130), (4640, 26287), (5420, 22504), (5626, 21680), (7760, 15718), (7859, 15520), (8672, 14065), (10840, 11252)]