80827980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1655

約数の個数: 96

約数和(自身を含む): 242694144

約数和(自身を除く): 161866164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 185, 222, 230, 276, 345, 370, 444, 460, 555, 690, 740, 851, 1110, 1380, 1583, 1702, 2220, 2553, 3166, 3404, 4255, 4749, 5106, 6332, 7915, 8510, 9498, 10212, 12765, 15830, 17020, 18996, 23745, 25530, 31660, 36409, 47490, 51060, 58571, 72818, 94980, 109227, 117142, 145636, 175713, 182045, 218454, 234284, 292855, 351426, 364090, 436908, 546135, 585710, 702852, 728180, 878565, 1092270, 1171420, 1347133, 1757130, 2184540, 2694266, 3514260, 4041399, 5388532, 6735665, 8082798, 13471330, 16165596, 20206995, 26942660, 40413990, 80827980]

約数ペア:

[(1, 80827980), (2, 40413990), (3, 26942660), (4, 20206995), (5, 16165596), (6, 13471330), (10, 8082798), (12, 6735665), (15, 5388532), (20, 4041399), (23, 3514260), (30, 2694266), (37, 2184540), (46, 1757130), (60, 1347133), (69, 1171420), (74, 1092270), (92, 878565), (111, 728180), (115, 702852), (138, 585710), (148, 546135), (185, 436908), (222, 364090), (230, 351426), (276, 292855), (345, 234284), (370, 218454), (444, 182045), (460, 175713), (555, 145636), (690, 117142), (740, 109227), (851, 94980), (1110, 72818), (1380, 58571), (1583, 51060), (1702, 47490), (2220, 36409), (2553, 31660), (3166, 25530), (3404, 23745), (4255, 18996), (4749, 17020), (5106, 15830), (6332, 12765), (7915, 10212), (8510, 9498)]