193777280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9767}}^1$

素因数の和:9817

約数の個数: 64

約数和(自身を含む): 478241280

約数和(自身を除く): 284464000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9767, 9920, 19534, 19840, 39068, 48835, 78136, 97670, 156272, 195340, 302777, 312544, 390680, 605554, 625088, 781360, 1211108, 1250176, 1513885, 1562720, 2422216, 3027770, 3125440, 4844432, 6055540, 6250880, 9688864, 12111080, 19377728, 24222160, 38755456, 48444320, 96888640, 193777280]

約数ペア:

[(1, 193777280), (2, 96888640), (4, 48444320), (5, 38755456), (8, 24222160), (10, 19377728), (16, 12111080), (20, 9688864), (31, 6250880), (32, 6055540), (40, 4844432), (62, 3125440), (64, 3027770), (80, 2422216), (124, 1562720), (128, 1513885), (155, 1250176), (160, 1211108), (248, 781360), (310, 625088), (320, 605554), (496, 390680), (620, 312544), (640, 302777), (992, 195340), (1240, 156272), (1984, 97670), (2480, 78136), (3968, 48835), (4960, 39068), (9767, 19840), (9920, 19534)]