90181920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2218

約数の個数: 96

約数和(自身を含む): 287400960

約数和(自身を除く): 197219040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1068, 1335, 1424, 1780, 2111, 2136, 2670, 2848, 3560, 4222, 4272, 5340, 6333, 7120, 8444, 8544, 10555, 10680, 12666, 14240, 16888, 21110, 21360, 25332, 31665, 33776, 42220, 42720, 50664, 63330, 67552, 84440, 101328, 126660, 168880, 187879, 202656, 253320, 337760, 375758, 506640, 563637, 751516, 939395, 1013280, 1127274, 1503032, 1878790, 2254548, 2818185, 3006064, 3757580, 4509096, 5636370, 6012128, 7515160, 9018192, 11272740, 15030320, 18036384, 22545480, 30060640, 45090960, 90181920]

約数ペア:

[(1, 90181920), (2, 45090960), (3, 30060640), (4, 22545480), (5, 18036384), (6, 15030320), (8, 11272740), (10, 9018192), (12, 7515160), (15, 6012128), (16, 5636370), (20, 4509096), (24, 3757580), (30, 3006064), (32, 2818185), (40, 2254548), (48, 1878790), (60, 1503032), (80, 1127274), (89, 1013280), (96, 939395), (120, 751516), (160, 563637), (178, 506640), (240, 375758), (267, 337760), (356, 253320), (445, 202656), (480, 187879), (534, 168880), (712, 126660), (890, 101328), (1068, 84440), (1335, 67552), (1424, 63330), (1780, 50664), (2111, 42720), (2136, 42220), (2670, 33776), (2848, 31665), (3560, 25332), (4222, 21360), (4272, 21110), (5340, 16888), (6333, 14240), (7120, 12666), (8444, 10680), (8544, 10555)]