217533040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^2$

素因数の和:458

約数の個数: 60

約数和(自身を含む): 514701432

約数和(自身を除く): 297168392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 181, 332, 362, 415, 664, 724, 830, 905, 1328, 1448, 1660, 1810, 2896, 3320, 3620, 6640, 7240, 14480, 15023, 30046, 32761, 60092, 65522, 75115, 120184, 131044, 150230, 163805, 240368, 262088, 300460, 327610, 524176, 600920, 655220, 1201840, 1310440, 2620880, 2719163, 5438326, 10876652, 13595815, 21753304, 27191630, 43506608, 54383260, 108766520, 217533040]

約数ペア:

[(1, 217533040), (2, 108766520), (4, 54383260), (5, 43506608), (8, 27191630), (10, 21753304), (16, 13595815), (20, 10876652), (40, 5438326), (80, 2719163), (83, 2620880), (166, 1310440), (181, 1201840), (332, 655220), (362, 600920), (415, 524176), (664, 327610), (724, 300460), (830, 262088), (905, 240368), (1328, 163805), (1448, 150230), (1660, 131044), (1810, 120184), (2896, 75115), (3320, 65522), (3620, 60092), (6640, 32761), (7240, 30046), (14480, 15023)]