820240160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2818

約数の個数: 96

約数和(自身を含む): 2033869824

約数和(自身を除く): 1213629664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1220, 1240, 1891, 1952, 2440, 2480, 2711, 3782, 4880, 4960, 5422, 7564, 9455, 9760, 10844, 13555, 15128, 18910, 21688, 27110, 30256, 37820, 43376, 54220, 60512, 75640, 84041, 86752, 108440, 151280, 165371, 168082, 216880, 302560, 330742, 336164, 420205, 433760, 661484, 672328, 826855, 840410, 1322968, 1344656, 1653710, 1680820, 2645936, 2689312, 3307420, 3361640, 5126501, 5291872, 6614840, 6723280, 10253002, 13229680, 13446560, 20506004, 25632505, 26459360, 41012008, 51265010, 82024016, 102530020, 164048032, 205060040, 410120080, 820240160]

約数ペア:

[(1, 820240160), (2, 410120080), (4, 205060040), (5, 164048032), (8, 102530020), (10, 82024016), (16, 51265010), (20, 41012008), (31, 26459360), (32, 25632505), (40, 20506004), (61, 13446560), (62, 13229680), (80, 10253002), (122, 6723280), (124, 6614840), (155, 5291872), (160, 5126501), (244, 3361640), (248, 3307420), (305, 2689312), (310, 2645936), (488, 1680820), (496, 1653710), (610, 1344656), (620, 1322968), (976, 840410), (992, 826855), (1220, 672328), (1240, 661484), (1891, 433760), (1952, 420205), (2440, 336164), (2480, 330742), (2711, 302560), (3782, 216880), (4880, 168082), (4960, 165371), (5422, 151280), (7564, 108440), (9455, 86752), (9760, 84041), (10844, 75640), (13555, 60512), (15128, 54220), (18910, 43376), (21688, 37820), (27110, 30256)]